E85 summer vs winter

Pros and Cons of E85. Similary, E85 refers to fuel that contains 85 percent ethanol and 15 percent gasoline. Summer is the time where people will usually go traveling and it is also the best weather for outdoor activities. Shell V-Power NiTRO+ Premium Gasoline, with seven times the cleaning agents required to meet federal standards, removes an average of 60% of harmful intake valve deposits left behind by lower quality premium gasoline, starting with the very first tank *. " Winter blends of fuel have different vapor pressures than summer blends (whether they have ethanol or not). If you know the true percentage you can calculate it. It could be that last tankful was "winter" blend vs this one being "summer" Supposedly the winter blend has less ethanol(70%) to aid in starting. THE TRUTH ABOUT WINTER GAS. The other two seasons are autumn and summer. Some tests with E85 of winter quality and petrol were conducted as well. More gasoline is used in winter months to improve cold starting by increasing volatility. about -18 °C up to about +2°C to +5°C for E85 of summer quality. It was sensitive (± one click on the main) on an OS FS-52S. You will not find a guarantee of octane on an E85 pump because most state regulators do not want the octane posted for E85 lest grandma decide she should put some high test in her '82 Regal. E85 will cost you 15 to 27% in fuel economy. You don't need to drain the E85 out after use like the MR9 . There are a number of federal and state gasoline specifications. While the E85 summer variety must have a vapor pressure of at least 35 under Swedish standards, the E85 winter variety must have a vapor pressure of at least 50, which is accomplished by increasing the amount of petroleum in the winter blend to assist with ignition and operations in colder 9. Energy Information Administration (EIA) estimates that in 2017, the 142. Effect of E85 on Tailpipe Emissions from Light-Duty Vehicles Janet Yanowitz Ecoengineering, Inc. Though E85 has been on the market now for some time, there are still some misconceptions that we hear often in our travels. Summer blends tend to have more ethanol while winter blends have less. Ethanol can run incredibly rich and still make great power, so the winter vs summer blend isn't as much of a problem as people make it out to be. You also can make more -- 5 percent to 10 percent more . With E85, that same vehicle I wish they would stop making stupid blended gas as well summer and winter. The winter blends at the good pumps are still 80% and the one closest to me That’s when I started looking into the summer vs winter formulations, and here in Boston I found that the % ethanol changes only a percentage or two between summer and winter…so the gas % goes from maybe 95% to 93%… which is even less significant an energy change…so theoretically, the loss of mpg due to seasonal variation in ethanol We recently bought our first home and will be buying a lawn mower, trimmer and snow blower. Over the last several years, we've been tuning more and more E85 powered cars for both the street and race track. As l write this, a suffocating blanket of snow clouds looms on the horizon while thousands of tanker trucks with winter gas roll inexorably toward gas stations in the Northeast and Midwest. com Customer Service Order Tracking "Since high temperatures increase volatility, it is desirable to have a low volatility fuel for warm temperatures and a high volatility fuel for cold weather. Cold weather and winter driving conditions can reduce your fuel economy significantly. Summer gasoline has a lower vapor pressure, since the warmer temps encourage faster evaporation. It’s also worth noting here that the new official government definition of E85 is any blend of ethanol with gasoline that can legally range from 51-83% (E51 to E83). I too was wondering about e85 and the moisture during these colder temps. We also have the latest road tests, track tests, best car lists, and vehicle awards to Simple very simple . 4 vs MS109 vs MR12 vs E85. The seasonal reduction of the ethanol content to an E85 winter blend is mandated to avoid cold starting problems at low temperatures. BY JOHN HUNKINS . Since 97 percent of all gasoline sold contains ethanol—and When is E85 not 85 percent ethanol? When it's E70 with an E85 sticker on it This seasonal blending from 15% to 30% gasoline limits concerns about winter cold starting and are similar to What Is the Difference Between Winter & Summer Fuels? As you plan your next summer road trip, don’t forget to budget for the slightly higher gas prices. While you're at it, put some in your lawnmower for the winter, and then stabilize any fuel you have left in jerry cans. It usually take two to three times as much ethanol per unit of air to have proper ignition in the A further reduction in the ethanol content is used during the winter in regions where temperatures fall below 0 °C (32 °F) and this blend is called Winter E85, as the fuel is still sold under the E85 label. Summer-grade fuel has a different Reid Vapor Pressure (RVP) than winter-grade fuel, which contributes to its being (marginally) more eco-friendly. E85, on paper, is 85% ethanol (mostly corn based in the US but could be made out of other things like sugar cane, algae or switchgrass) and 15% gasoline. They are two of the four main seasons caused by the revolution of the earth around the sun. Question, should I store it with a FULL tank of E85, or run it low and put FRESH E85 in springtime? Also, is there anything else I should do with a Cobra for winter storage in my garage VS any other car? Thanks! E15 Fuel vs E10 Fuel. There are many reasons for doing so, but mainly it's done to keep the fuel from freezing. By Bob Adriance. Meanwhile, E85R is 85% ethanol and 15% race fuel and that ratio does not change. These tests indicated a flammable range up to -8 °C to -9 °C for the winter E85 and up to about -20 °C for petrol. - E85 software is not a full flex fuel program. E85 is a motor vehicle fuel that is nominally 85% fuel-grade ethanol and 15% gasoline. If they would stop I have a TVS car on 19 psi, mods and power numbers are in my sig 93 vs e85, but picked up 69whp and 53wtq Aside from having my fuel pumps take a dump after the first season on e85 due to the pumps being advertised originally to be compatible, I've had zero issues with e85. So the winter blend would be more like E70-E80 this is just example here. The E85 is not being used as often. The winter blend uses butane -- which makes it easier to produce. No big deal. These winter blends are used in the United States and Sweden for E85 flexible-fuel vehicles during the cold weather, but still sold at the pump labeled as E85. Gasoline vs. My car has been sitting all spring/summer with e85, what difference does sitting all winter make? I doubled up on Lucas stabilizer and ran it through. My average on E85 went down to 12mpg at $2. Go on road trips without fear of having to find E85 stations along the way; Note: Our Flex Fuel Conversion Kit is required to run this tune. But did you know that the gasoline sold during the summer is actually different -- and more expensive to produce -- than that sold in the winter? In this article, we'll take a look at why summer fuel prices are higher, focusing on the annual shift from winter-grade fuel to summer-grade fuel. E85 Cons. If the price of E85 was the same as regular 87 octane gas, very few people would use it. He was talking about running rich from winter blend vs summer blend. 2 automatic. Almost all MTBE supply is used for reformulated and oxygenated gasoline blending, while only about one-half of the total ethanol supply is. Alcohol Ethanol Fuel (must read) When you pull up to a gas pump to buy gasoline, are you aware that what comes out of the pump can vary with the seasons of the year? Is not Gasoline gas? The US government formulates the gas for seasonal changes; summer and winter. Fuel economy tests show that, in short-trip city driving, a conventional gasoline car's gas mileage is about 12% lower at 20°F than it would be at 77°F. So basically they add more gasoline to the winter blend making cold starting easier. 20gal. For example, E85 sold during the winter often contains 70% ethanol and 30% gasoline to help it produce the necessary vapor pressure for easy starting. The US Environmental Protection Agency (EPA) says conventional summer-blend gasoline contains 1. Comparison of Valterra EZ Valve Double Electric Waste Valves - Rotating - (3) 3" Hubs vs Camco RV Winter Readiness Kit Compare Valterra EZ Valve vs Camco RV Winter | etrailer. In short, should America bet the farm on ethanol? Or are there unforeseen problems with this "flex fuel"? I have a TVS car on 19 psi, mods and power numbers are in my sig 93 vs e85, but picked up 69whp and 53wtq Aside from having my fuel pumps take a dump after the first season on e85 due to the pumps being advertised originally to be compatible, I've had zero issues with e85. Self Storage During the Summer . This means the percentage of ethanol can now legally be anywhere from 51 to 83%! E85 Ethanol may be an Alternative Fuel source, but that doesn't mean you have to sacrifice power for a cleaner burning fuel, Check out this article about E85 and see how many hot rod cars are engine starting in winter, and to ensure against the occurrence of engine-stopping vapor lock and excessive fuel evaporation in summer. A 10% ethanol blend leads to a 3 to 4% decrease in fuel economy, and a 15% ethanol blend reduces miles per gallon by about 4 to 5%, according to the Department of Energy. Demand for ethanol in gasohol blending and MTBE as a motor gasoline octane blendstock make up the balance of the oxygenate demands. straight gasoline if E85 results in 25% poorer mileage? Are the emissions better than 25% lower? Then compare to diesel, which has upwards of 30% better MPG than gas- are its emissions worse than 30% increase? I have a giant detailed spreadsheet full of all my fill ups the past 3 years in my other cars comparing gas stations, octanes, miles per tank, gas station location winter blend, summer blend, cost, etc just have not yet went to E85 due to being weary of wasting money and selling my previous E85 compatible car. sticking with my 93 perf tune. ” between summer and winter gas is that the winter Car feels no different running e85 now than it did in the winter. So I am looking into going with E85 since here in Utah we have 91 oct premium and since I live about 12 minuts from a Chevron that has it. I got my car ready for winter 1 month ago, and just got it out this weekend to make a video for the fastest street car on youtube. What Is the Difference Between Winter & Summer Fuels? As you plan your next summer road trip, don’t forget to budget for the slightly higher gas prices. 69-$1. The carb may or may not be sensitive. the local high octane available is 93oct and is around $3. In fact, ethanol prices have been at a steep discount to gasoline prices for most of 2018 and 2019, with ethanol futures recently trading at a 60 cent/gallon discount to gasoline futures (Figure 2). He recognized it as a way to serve others and is a co-founder of Mission Six, a non-profit that takes veterans, law enforcement, fire fighters and emergency medical personnel on the For winter blend -- because it's in the news now -- CA usually switches Nov. I imagine the worst part would be people who park outside during the winter because cold starts are a little long on the flex tune. Winter and Spring are two seasons that show a lot of difference between them in terms of their nature and characteristics. I don't remember having this issue a couple weeks ago but this time around it is an issue. This is a great bag for the buck seeing that E85 is about 2. FFVs are offered by several automakers. Because your questions deal with the disadvantages, let’s start E85 (Flex Fuel) E85, also called flex fuel, is an ethanol-gasoline blend containing 51% to 83% ethanol, depending on geography and season. We use all high quality, race proven parts that will have you racing on E85 with minimal test and tune time. Recently, though, that issue has been capturing headlines, thanks to a showdown in California, where Gov. I have run 100% E85 in the winter the last 2 years and could always get the car started, but sometimes it took a bit of fighting/hooking up my jumper box to crank until I could get the cylinder temps up. That’s because the blend of gas used in the summer costs a little more than the kind used in the winter. E85 can have as little as 51% ethanol in As the temperatures drop in cold regions of the country, so will average miles per gallon. The car will be struggling for a while, and your tune should be very safe then. 8 req_fuel from summer blend to winter blend. Read about Gas Versus E85 and different options for E85 carburetors, fuel pumps, fuel lines, and fuel filters, inside the Converting to Corn article in Popular Hot Rodding Magazine. S. and ethanol is generally the oxygenate of choice in oxygenated gasoline. Now if you are running a straight e85 tune, then ya I wouldn't run winter blends. This really comes down to advantages versus the disadvantages of E85. . Jerry Brown wants to allow the early use of the so-called winter-blend gas in a play to bring down spiking… Point is the only secret to safely storing ethanol is maintaining seal. For example, E85 sold during colder months often contains lower levels of ethanol to produce the vapor pressure necessary for starting in cold temperatures. For winter blend -- because it's in the news now -- CA usually switches Nov. The first thing you need to know about E85 is it makes tremendous power. It’s not just the ethanol percentage that varies out of pump E85 “In pump E85, they are concerned with vapor lock, and Winter gas has a lot of vapors. There are also seasonal state regulations, including summer RVP and winter oxygenated gasoline. Because fuel-grade ethanol con­ tains denaturant, the ethanol content of commercial E85 ranges from as much as 79% in summer to as little as 70% in winter. My 455 doesn't really care if it is winter or summer blend, the Qjet leans out a little is all. I don't know if there is a good tubing for clunks. • E85 has 27-36% less energy content than gasoline so mileage is adversely affected. Why is fuel consumption higher in winter than in summer? European fuel normalization is well thought: both EN228 (for gasoline) and EN590 (for diesel) specifications guarantee the best fit between the fuel and the way it’s used in a large panel of environments. For this reason, fueling site operators offering ethanol blends typically cannot carry over summer-blend E85 into the winter months. Car research starts at Edmunds! Get detailed expert vehicle reviews and ratings for every car on the market. There are also different types of activities that can be carried out during summer and winter. Walbro # WAL-F90000267-085 - Genuine Walbro F90000267 450LPH E85 Compatible Intank Fuel Pump With Installation Kit and Strainer HFP-K125-190 - The Walbro 450LPH pump is the highest flowing intank fuel pump on the market, and is 100% E85 safe to boot. 85 billion gallons of finished motor gasoline consumed in the United States contained about 14. com. I have seen as high as 90% EtOH, and as low as 75% EtOH. Everything looked and worked like normal. I have found that the fuel pumps will deliver a great amount of fuel at high line pressure so I have not been afraid of running 60 static + 1:1. 7 percent more energy than winter-blend gas, which is one reason why gas mileage is slightly better in the summer. E85 has a number of benefits and we are going to review them, as well as compare them to pump gas, conventional race gas, and methanol injection. e85 summer vs winter. E85 Ethanol may be an Alternative Fuel source, but that doesn't mean you have to sacrifice power for a cleaner burning fuel, Check out this article about E85 and see how many hot rod cars are E85, also called flex fuel, is an ethanol-gasoline blend containing 51% to 83% ethanol, depending on geography and season. However, the summer-blend is also more expensive to produce, and that cost is passed on to the motorist. The question many may have is why E85? In terms of E85 tundra vs Non, I personally would go E85 (and did). Please be sure to read our E85 Tuning article regarding how this plays a factor. Gas stations are not turning it over regularly like E10. But we just got a waiver to start using the winter blend now because of our wacky price spikes. 0:1 where as E85 is 9. 0 to 10. 8 is the req_fuel for true 85% content e85. 8:1 for E85 vs 14. Race Gas Video In my area we have pumps all over that are over 80% all summer. There are a lot of people that run a mixture of E85 and 91 or 93 octane gas, and one of them is listed above and he states he has done it for a couple of years. Point is the only secret to safely storing ethanol is maintaining seal. In reality, most pump only supply about 83% ethanol in their summer blends and about 75% in winter blends but it will vary from pump to pump. Its kinda like stoich for pure ethanol (E100) is 9. "My boat gets vapor lock since I topped up with E10 last winter. RVP is the vapor Enter the confusing, zoned world of winter and summer gasoline. Fuel Economy in Cold Weather. Silicone swells in E85. This means the percentage of ethanol can now legally be anywhere from 51 to 83%! We recently bought our first home and will be buying a lawn mower, trimmer and snow blower. It's time we get to the bottom of how E10 is affecting our engines. By comparison, ethanol futures prices have increased only about 5%. Matthew Roberts is a Louisiana native and enthusiastic inshore angler, with a strong foundation in kayak fishing. 4 E85 can be used in FFVs, which are specially designed to run on gasoline, E85, or any mixture of the two. Lots of drivers out there probably didn’t know (or care) that gasoline is blended differently for summer or winter. Power/Fuel. Gasoline Comparison Test article on Edmunds. In this mode the engine is only designed to work on E85, as found directly at the pump, including both summer and winter blends from E60-E85. Stations nationwide will start selling a less-expensive winter fuel usually by mid September, which on average means that winter gasoline is less expensive than summer gasoline. 1. The power gain is very close between the two fuels making the E85 a better choice . In the few years since ethanol began to be widely used in the United States, a lot has been written about its properties, the problems it's created, and how to best cope with its possible effects. E85 FlexFuel Conversion, 2012 Chevy Volt, 2012 Cruze Eco (winter E85). Example: One local pump station here cares E90 all year round, while one just a few miles away cares E60 in the summer, and E70 in the winter. This is intended to accommodate the blending changes that occur from winter to summer. Using traditional pump fuels in this mode may result in engine damage. I break even in terms of MPGs and cost when e85 is $1 cheaper than 87. State Motor Fuels Specifications. (Coldest outdoor temp tested 46deg F) Laz and I ran E85 all summer and never saw higher Even in other areas of the country E85 can get at low as 70% ethanol and still be marketed as "E85". Should you retune your Ford F-150 for winter gas? still running 93 Chevron fuel through the winter vs. Why E85 Sucks in winter ! (BRZ,Gt86,FRS) With oft Diegos NOOB Garage. Colder seasons will typically see lower ethanol percentages than the summer months, not sure why but it might be to assist with cold starts. , Boulder, CO Robert L. Hey Mark, I was wondering if you could refersh my memory on the changes in jetting needed vs the alcohol content on the summer vs winter blends. Loading Unsubscribe from Diegos NOOB Garage? Cancel Unsubscribe. However, in talking with a local he mentioned that it switches to E70 in the winter. In short, should America bet the farm on ethanol? Or are there unforeseen problems with this "flex fuel"? E85 however remains just as it is anywhere- E70 (Winter) will have an octane equiv of 100 to 105 and E85 (Summer) will range from 105 to 109. 6 mpg around town, but now it How much ethanol is in gasoline, and how does it affect fuel economy? The U. I was getting an average of 19. Winter blend E65 generally doesn’t start well below 10 degrees F, and perhaps not at all below 0 degrees F, but this varies with setup. ) Quality and concentration can vary from pump to pump (E85 may not always be 85-percent Ethanol) Quality and concentration can vary from season to season (winter blend is different than summer) Cold starts can be difficult I have purchased these tyres for my E85 BMW Z4 2. As with 87, I lost about 3mpgs running e85 in the winter, compared to my summer mileage. Most E85 pumps claim up to 70% ethanol, so you *should* be getting E85 in the summer and E70 in the winter, which is enough of a difference to require a tune change. i haven't tested the winter blends yet, but i know the summer blend i had was 83% when you were at the Union race I will not be driving it during winter, and it will sit, covered, for a few months to wait out the Chicago Snow, ice and salt. This summer after my engine rebuild, I to will be running e85 since there is a pump literally 2 minutes down the street from my new house And its also a weekend car. Up front costs to set up your vehicle to run it can be high (injectors, fuel pump, lines, etc. we have a race comming up at the family arena in St Charles on the 29 & 30th at the arena cross show, and have to run the winter blends. Thread starter Whats awesome is from what I understand it will make the same power in the summer months that it makes in the winter I'll do this few times and see where it goes (before summer when the e85 pump becomes more of a true 85%. e85 summer vs winter I am too have two maps. Jeff Smith: We’ll assume that you are asking about the corrosive effects of ethanol as it relates to E85, which is 85-percent ethanol and 15-percent gasoline. I keep e85 in it 24/7 even storing it for the winter with zero issues. Ethanol has been seen by the general public as an alternative fuel with almost zero drawbacks. Summer-Blend vs Winter-Blend Gasoline: What's the Difference? California might start using winter-blend gasoline early in a desperate attempt to bring down gas prices. 80 a gallon. Vapor lock can be caused by using winter blends in hot weather so try to top off in the fall before winter blends are sold. It’s a fact of physics, what cold does. E85 is cheaper by the gallon, but due to the 20-40% fuel economy loss, it's not usually any cheaper overall. E85 vs 93 Octane Gas Effect on Oil which is how a summer day and winter day can have the same relative humidity while containing drastically different amounts of E85 vs. Fuel companies changed the E85 blend in winter, so there's more petrol (the blend can drop to 75 per cent ethanol and 25 per cent petrol) whereas in summer it could increase to the full 85 per To achieve any short-term operational fuel-cost savings, the price of E85 should therefore be 20% or more below the price of gasoline to equalize short term fuel costs for most older pre-2003 FFVs for both winter and summer blends of E85, which it typically is. Why is winter diesel fuel mileage lower than it is in the summer? Posted by: Bell Performance It’s well known that gas mileage goes down in winter, partly because they change the composition of winter gas to make it more volatile and burn properly in cold weather conditions. One for e85 other for 98ron, but I would not recommend to change the maps every day, because your fuel tank will not be dry every time, so fuels will be mixing. E85 depending on your locale will vary by season if they use summer and winter blends. 39 as it is today. Beyond the danger of complete dependence on foreign oil when both global politics and gas prices are more volatile than ever, the environmental impact of burning millions of gallons of fossil fuels faster than we can say "greenhouse gases" is beginning to sink into the general consciousness. Marc uses this car to compete in SCCA STS class races, so the engine is essentially stock, due to classing rules, with a few bolt on parts. Refineries produce a more expensive fuel blend during the summer to cut down on smog during hot months. 7 + Alcohol% x 9 = afr number True e85 is 10. 0 V-6 and 2-wheel drive, automatic transmission and 11,500 miles on it. I suspect they are still receiving shipments of winter blend E85 that has more gasoline and less ethanol, resulting in higher prices on E85. Just send us your carburetor and we will convert and test it for you. I took off the 225/45/R17 Birdgestone Potenza tyres and BMW wheels and fitted after market 16" wheels with 205/55/R16 91H. What this means is in the winter time, you could actually be getting 75% ethanol and 25% gasoline or even less! As you can probably guess, that would impact your vehicle's performance. Peroxy acetyl nitrate (PAN) levels increase in both summer and winter with E85, but more in winter, relative to gasoline. My '13 Rav4 it says change the oil every 10k in summer conditions and 5k in winter and in Generally they are near $1. Gasoline% x 14. "Winter blend" gasoline has a higher amount of ethanol mixed into it. A winter blend of E70 is mandated in some regions in the US, while Sweden mandates E75. The acidity of the fog is similar between E85 and gasoline in the summer but more acidic for E85 in the winter. Do not manually blend with traditional pump fuel or race fuels. 80gal. OEM’s estimate 15-30% Also, as I will mention later, due to the effects of cold weather and climatic conditions effect on alcohol based fuels, one will find a varying blend of ethanol content between summer and winter months – in short – your winter E85 will contain less ethanol than your summer E85. Unless we get rain it is also extremely dry here for 90% of the year. e85 why switch? - posted in Almost Anything Goes: What is the reason people switch to it is it better fuel to run in the 3800s once you convert your engine to run it or is it just cheaper. Just want to know of it's an option to stay on E85 tune when the one gas station that sells full E85 is out. I added the block heater this summer when I was doing a coolant change anyways and it has made a huge difference. While E85, a mix of 85 percent ethanol and 15 percent gasoline, does produce less pollution and is renewable through growing the corn used in its creation, it has some problems that anyone considering converting a vehicle to E85 Cons. Winter blends may be as low as 70% ethanol. An E85 fueling gas station usually cannot carry over summer-blend E85, but instead it has to "blend down" any remaining summer fuel to make an "E70" mixture. U4. A morning fog on a winter day decreases ozone after the fog. Not only do most pump stations not pump an exact E85 mixture, they also will very the mixture that they carry from summer to winter. your motor will run lean in the summer if it was tuned in the winter and it will run rich in the winter if it was tuned in the summer Posted on June 30, 2009, 20:38. The lower limit of the flammable range was not investigated for these fuels. D16a6: I/H/E - Pump Gas vs E85 Dyno Tune He brought the car in last night for a tune on 93 Octane, and then a tune on E85. ) Quality and concentration can vary from pump to pump (E85 may not always be 85-percent Ethanol) Quality and concentration can vary from season to season (winter blend is different than summer) Cold starts can be difficult Most E85 pumps state that the ratio varies seasonly. E85 vs. I run 2/3 tanks of e85 then one tank of 93 usually. ) Quality and concentration can vary from pump to pump (E85 may not always be 85-percent Ethanol) Quality and concentration can vary from season to season (winter blend is different than summer) Cold starts can be difficult On the face of it ethanol actually has a slightly lower energy content than gasoline per kilogram, but it also has a much richer stoichiometric AFR (9. According to the EPA a conventional internal combustion powered Summer blend E85 generally doesn’t start well below 50 F, though I’ve tuned some cars on summer blend fuel that did start around 30 degrees F. The federal programs are year-round reformulated gasoline (RFG) and summer Phase II RVP (Reid vapor pressure). FFVs are offered by several Today, we take another look at ethanol. Best to keep where temp is either constant or dry and cool. Read more at Car and Driver. Car is a track toy, summer use only. The term “ethanol-blended fuel,” or E10, refers to fuel that contains 10 percent ethanol and 90 percent gasoline. Walbro designed the pump to meet the requirements of modern turbocharged applications where a Ethanol used for fuel has been denatured or rendered unsafe to drink by the addition of a hydrocarbon (usually gasoline). 8:1. I will be running E85 ethanol real soon and was wondering how its working in the cooler climate winter areas. The blends will be different for summer and winter fuels. In doing my research, I found warnings about the harm that ethanol in modern gasoline can cause to these "Since high temperatures increase volatility, it is desirable to have a low volatility fuel for warm temperatures and a high volatility fuel for cold weather. Also, as I will mention later, due to the effects of cold weather and climatic conditions effect on alcohol based fuels, one will find a varying blend of ethanol content between summer and winter months – in short – your winter E85 will contain less ethanol than your summer E85. The only reason E85 exists is to reduce the need for imported gasoline and to reduce pollution. Please can some one explain for me I searched it on the forums but couldnt seem to find a reason why to do it. Denco-ga already posted the link, so I won't poach his answer, but for the lazy, here's the one caveat to running E100: "At inlet air temperatures below 15 C (59 F), it is likewise not possible to start the typical internal combustion engine on pure ethanol (E100); for cold engine starts, starting the engine on gasoline and then transitioning to E100 can be done. So, I just select the E85 for now as it is the cheapest and most likely is not 85% ethanol right now and actually closer to E50 than E85. Plus, you’d have to worry about boiling the fuel in the tank. 39 billion gallons of fuel ethanol, equal to about 10% of the total volume of finished motor gasoline consumption. I've ran e 85 lots, summer and winter, but always go back to 87. Summer Blend: Class 1 (min 79% ethanol) Spring/Fall Blend: Class 2 (min 74% ethanol) Winter Blend: Class 3 (min 70% ethanol) State Fuel Region Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Alabama 2 2 2 2 2/1 1 1 1 1 1/2 2 2 There is no gas mileage difference between winter and summer blend gasoline ( there are chemical differences, jk ). Ethanol by itself has a very low "combustion energy" compared with regular gasoline. I know they adjust the fuel for winter to help with cold start but have not heard how its working with our older models. Working Subscribe Subscribed Unsubscribe 128. McCormick National Renewable Energy Laboratory, Golden, CO ABSTRACT E85, which consists of nominally 85% fuel grade ethanol and 15% gasoline, must be used in flexible-fuel (or “flex- Race on E85 is currently converting 4150 and 4500 Holley style carburetors to run on E85. Three Ethanol Myths Clarified. I am switching it only on winter/summer change. The One Time It Makes Clear Sense to Buy E85 E85 may be cheaper than regular gasoline or E10, but the lower energy content means you might come out paying more for less in the long run. 00 for 5 gallons . 7:1 for pump gas) which means we need to use more of it to mix with the same mass of air. To meet winter fuel volatility requirements, winter-blend E85 will typically contain about 70% ethanol, as per American Society of Testing and Materials E85 vs. More alcohol means more power, more gasoline means more chance of ping/knock. Now I understand this means it should have roughly 30% gas 70% ethanol. I don't worry about the different blends I haven't seen any difference in winter or summer (E70 vs E85) On the injector size, I run a separate enrichment so I am not one to be the authority. You've probably noticed that many vehicles are labeled with a Flex Fuel badge from the manufacturer, indicating that the car or truck is capable of running This study investigates the air quality impacts of using a high-blend ethanol fuel (E85) instead of gasoline in vehicles in an urban setting when a morning fog is present under summer and winter Safely run ethanol fuel all year long, no more re-tuning for Summer and Winter blends. 79 when gas is $2. Mechanical changes needed to run on e85. I have a 2010 Nissan Frontier SE with a 4. conversion vs. The idle was also a bit funny to tune. Winter blend gasoline has a higher vapor pressure, which means it evaporates more easily, necessary in the colder winter temps. In doing my research, I found warnings about the harm that ethanol in modern gasoline can cause to these – As oxygenate in the winter to reduce CO emissions during combustion (E10) • As an alternative fuel, most commonly used in a summer blend of approximately 85% ethanol and 15% gasoline (E85). Ive heard mixed reviews about what kind of lines to use but I know they need to be enlarged which is usually why people go ahead and rig up some steel braided lines. The beautiful weather motivates many people to clean up their homes and also has a large impact on the real estate market. Several racers I know even use plastic drums and though they may have some air space in them- will store from fall thru the winter and into the next spring so they can always have E85 summer blend on hand. In the energy industry, the need for change is no longer debatable. Possibly, but they adjust the alcohol/gasoline ratio the for the seasonmore gas in the winter, less in the summer. Ethanol gives us gas. Alcohol burns cleaner than gas. Well all I can put in on that is that I live in central Queensland, we average 35 to 42 in the summer and let's say (early morning), to day average 3 to 18 in winter. My average on 87oct was 20mpg at roughly $3. Summer heat boosts the formation of ozone, while the appearance of an inversion layer-- an immobile layer of air -- can trap pollutants in the lower atmosphere [source: EPA]. In the winter, you use your headlights, defrosters, and heaters more. Just curious, what is it about e-15 that makes it an air pollution problem during the summer, but not in the winter? I’ve have guessed the oxygen atoms in the alcohol would combine w/any unburned gasoline & help limit HC emissions in any season. It gets trickier with ethanol. If I'm running lean at that point - I'm curious, is there any options for larger Injectors, fuel pump? I did some reading, Honda is selling the Civic 10th GEN, in Brazil where they exclusively use e85 at the pump. Better yet, stick the excess fuel in your daily driver so it's not sitting So, if I'm starting from scratch anyways on an ITB or EFI conversion, why not tune for E85? I don't see much out there for NA E85 motor setups, as there's much less gain than on a boosted setup, but I can't help but think that even on an 11:1 motor, there's power to be found in a more agressive E85 tune. Winter clothes are much more flattering and offer a wider variety of styles for every type of trend. Having a newer Durango that is E85 capable, I figured I'd give it a go and compare economy vs price per gallon and see which was more cost effective. I don't think the question is can he run the car on pure E85, but more like mixing the two to raise the octane rating for a single time to do a run on a dyno machine. To make matters worse for Honda hybrids, the use of the defroster and heater will reduce how often the idle-stop feature kicks in. €100 piggy back Most of these pollutant ratings you see don't take MPG into account- what is the real impact of using E85 vs. " "However, the higher the octane, the lower the volatility, making it more difficult for the gas to compress with the air. Please try again later. E85 vs E70 However, in talking with a local he mentioned that it switches to E70 in the winter. The discount to competing sources of octane is even more pronounced. Basically desert weather When it's hot it HOT! When it's cold it's cold! But very dry. I am still keeping the 6 bags of sand and grvel over the rear axle and can only say that so far these tyres have been outstanding. If you were to use winter gas in a warm environment, the car would be hard to restart when hot. ) Quality and concentration can vary from pump to pump (E85 may not always be 85-percent Ethanol) Quality and concentration can vary from season to season (winter blend is different than summer) Cold starts can be difficult E85 vs. Why you get worse gas mileage in winter and what to do about it Winter tires are notorious for losing mpg as their tread patterns often create more resistance to the road that summer and all E85 Cons. SEKAB blends E85 in both summer and winter varieties. The winter blends at the good pumps are still 80% and the one closest to me Is it safe to run E54 on E85 tune? I want to avoid going back to the flex fuel tune. 00 a gallon Vs MR9 at 120. I always test my e85 due to these variations. E85 does cost a bit less, but at the best, all you'll do is break even. Winter vs Spring . Every year when summer rolls around, people tend to become more active than they were during the winter months. To Magazine Home Page. about 70% ethanol in summer and 40% ethanol in winter or get the lean burn codes. This feature is not available right now