Q: Can I just increase the size of the jets in my carburetor and use E85? I've recently heard of the inside-out action on fuel lines having the scenario that, as the ethanol dries out the inner layers of fuel lines, the fuel further seeps into the core reinforcement layer of the hose, then proceeds to the outer layers of the hose, which then flake off, leaving the inner reinforcement cord exposed . Stabil does not seem to be the answer. In all of those years of driving I have never had problems with the engines running hot and vapor locking until recently. The small engine carburetors are generally "fixed-jet" in nature and have NO each way to recalibrate them for anything like E15 fuels, which require "richer" calibrations than for E10 fuels. . It is also obvious that "pure" gasoline will probably . Ethanol has 35% less BTU's per gallon than gasoline. The end result in almost all cars with carburetors and no feed back for mixture control is more fuel and more timing. Snowblowers work very well on regular gas. I have long suspected and heard that gasoline with ethanol (currently 10%) where I live will cause engines to run hotter. When ethanol is mixed with sufficient amounts of water, this can cause corrosion, but the effects can be minimized with easy steps such as keeping the fuel tank full when the vehicle is stored. For most of us, ethanol blends do not affect the performance of our engines. I recall the original HUMMMV could run on peanut oil and that is just internal combustion engines, external combustions engines can and have used wood logs. If it does, you may need to "go the extra mile" to get your fuel from a specialized ethanol-free fuel supplier. All rights reserved. Thanks for that information, Ed!! Perhaps replacements are available with removable jets. It is an upper bound of the temperature that is reached in actual processes. Diesel fuel will work also but it contains sulfur which will corrode any yellow metals (brass, copper, bronze) with which it comes in contact so it is unsuitable for many prewar cars. Remember, even whale oil used to be relatively cheap and plentiful. Prepared by Daniel Ciolkosz, Penn State Department of Agricultural and Biological Engineering. It would start on starting fluid, but not on fresh fuel. For the practical purposes of using ethanol as a fuel, E98 is essentially just ethyl-alcohol or ethanol plus 2-percent gasoline so that it cannot be consumed. This fuel offers many of the benefits of using alcohol as a fuel with fewer of the negative side effects. Ethanol Fuel is a Source of Hydrogen. Particular model years and models are listed which could be "FlexFuel" in nature. The EPAs first pass at the calculation in 2009, however, found that ethanol would result in a 5% increase in greenhouse gas emissions over gasoline, which would have barred the fuel from the blending mandates. This includes as much as an estimated 70,000 direct jobs and 330,000 indirect jobs, usually in rural areas and small towns. A: The simple answer is that this probably will not work. Yes, you may spend less on ethanol while at the pump, but you might also be filling up more often. Now we have the EPA, the DOE, and USDA all disagreeing with each other. Because plants grow easily in soil, the process is completely renewable. Additionally, to create ethanol, farm space is needed. Q: Ive read that all gasoline sold in the U.S. contains 10 percent ethanol. The agency told Reuters that it did not make the modeling change solely at the industrys request, but rather included input from government, academia, industry, and not-for-profit institutions.. There are also OE sensors that are designed to be permanently mounted in the vehicles fuel line. It also takes a richer mixture since it does not produce as much energy. Rebuilt the carburetor, and it ran great. Also, it creates a thermodynamic cooling effect that regular gasoline doesn't offer. However, many other countries have turned to using sugarcane, which is also readily available. The grandfathered facilities produced 4.8 million tons more carbon emissions than they would have if they had been required to comply with the standard, according to a Reuters calculation based on the average emissions from regulated and unregulated plants. Feb 14 (Reuters . Keep your engine clean and your cooling system in good shape, and perform regular maintenance as appropriate. Ethanol offers a significant and immediate carbon savings, he told Reuters. The biggest producer of ethanol for fuel in the US is agriculture giant Archer Daniels Midland. The most common ethanol fuel is the E85 fuel, which contains 85% ethanol and 15% gasoline.. This means they can not only continue selling the "Cheap" lawn mower but then the special lawn mower fuel for the next several years. Ethanol burns hotter than gasoline and that could damage engine parts. Q: I know that pure alcohol burns almost invisible in daylight. To create ethanol, only plants are needed. 1. Many people have noticed problems when using ethanol-blended gasoline. A quick way to measure a percentage of ethanol in gasoline like E85 is with this simple glass vial tester from Holley. Plus, the fruit and seeds from a plant are not needed for production, just the fibers themselves. I think all the gas available in this area has ethanol in it and every year I take lawn mowers to the shop over and over. The USDA has for years claimed otherwise. A: It is a good practice to replace the original fuel system in an older car when building a performance car, with the emphasis on eliminating corroded, bent, or otherwise damaged fuel line with fresh new material. In fact, more than 57% of the oil we use originates from a foreign source. Ethanol has more than double the power of gasoline. This is done to allow its manufacture for purposes other than for human consumption. There are two secondary mechanisms by which lean mixtures can elevate operating temperature, especially at/near maximum load: 1) By inducing knock 2) reduced evaporative charge cooling. Q: I keep reading about E98. This makes E85 a fuel with 85-percent ethanol and 15-percent gasoline. DOHC Vs. SOHC Differences and Which Is Better? What burns faster ethanol or gasoline? NASCAR recently switched to Green E15 for the Cup cars. Of course that coud change with the stroke of a pen. Methanol is toxic and should not be ingested. March 30, 2013 in General Discussion. This means longer spark plug life and fewer combustion deposits. Engines actually run cooler on leaner mixtures. The small engine juice is available in barrels but the price will be a killer, it will probably work in a flathead car engine. Fuel somewhat exposed to the air in well-vented systems can be siphoned in whole or in part and used (diluted with fresh fuel) in newer vehicles to help with this. The most critical problems are water contamination and fuel separation. Under bright daylight conditions, burning E98 will be very difficult to see. YET all federal legislation is aimed at ethanol use only, it seems. If the vehicle sits for any amount of time, the problems can become severe. He had a guy follow him with barrels of the stuff in a truck. Oddly, ethanol is also an excellent cleaner and will remove deposits often left by "bad gas." Here is a chart done by a Shell fuel engineer from the 50's and 60's. I use a couple of ounces per half-tank fill-up and I also add Stabil preservative. Renewable fuels help diversify our nations energy supply, improving energy independence and security, it told Reuters, and added that biofuels provide good paying jobs and income to farming communities.. However, that isnt the case in some parts of the country. It is not as easy with an antique car. Ethanol is lower in carbon but includes oxygen. It also likes a bit more aggressive advance and I drive it so little that the dropped MPG is trivial. As I understand it, E85 is the legal term for any mix between 50% and 85% ethanol with the rest gasoline, so exactly how much less energy, how much lower miles per ga. . I agree it is important to keep engines cool just am not concerned about Ethanol (other than replacing anything old with ethanol-proof fuel lines). OK gentlemen, I have not commented on this topic for the past ten years as the debate can be quite intense. Which only stands to reason: where less fuel is consumed in a finite volume of air, less heat is produced. According to North Dakota State University, ethanol was first used to power an engine in 1826. The agency has yet to publicly detail any proposed revisions. While challenges from fuel ethanol are certainly real, they are not the entire story. The biggest drawback to using gasoline is how much pollution is created. When Congress passed the RFS, it required the EPA to model ethanols emissions profile to verify it could meet the emissions reduction standard. Ethanol naturally burns slower than gasoline and is detonation resistant. "Monthly Spot Prices for Crude Oil." The "buna"-compound rubber used in fuel pump diaphrams is resistant to ethanol . Black Smoke From Cars Exhaust? If you are interested in a more exact test of ethanol percentage of blending, Kent-Moore has a tool that accurately measures the blended percentage of ethanol in the fuel. For naturally-aspirated, street-driven vehicles, there will be a mileage penalty with E85 compared to gasoline. For instance, the model has been adjusted over the past decade to overstate increases in corn yields, resulting in an underestimate of emissions from planting, according to a study published in 2020 by the Journal of Cleaner Production, an academic publication focused on sustainability. Or is everyone a parts swapper now ? That's why Coleman refused to sell multi fuel lanterns to the public for a long time. Auto-Ignition Temperature: 399C (750.2F) Flash Points: CLOSED CUP: 11.667C (53F) - 12.778 deg. Figure 2. In a poor year (such as the drought of 2012), the presence of the ethanol market can drive up the price of feed corn and other crops that could be grown on those fields, leading to higher feed and food prices. The EPA has exempted more than 95% of all US ethanol plants from the requirement because they were built or under construction before the legislation passed. Antique car owners and small engine operators are the most likely people to need this approach. When you look at the chemical composition of ethanol and gasoline, you find that ethanol is a single molecule, C 2 H 6 O, whereas gasoline is a complex mix of hundreds of different hydrocarbons (including pentane, benzene, xylene, butane, toluene, and hexane, plus a variety of additives). 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The ethanol mandate was just a mistake, Timothy Searchinger, a senior researcher at Princetons Center for Policy Research on Energy and the Environment, told Reuters. As ethanol becomes a more accepted alternative fuel, you will begin to see more blender pumps that will offer percentages of ethanol like E15, E30 or E85. 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Ed. The only real political element is that producing Ethanol from corn is really very inefficient compared to things like sugar beets and sweet sorgham. Proper formulation and care of ethanol blends is something that fuel transporters and resellers are getting the hang of, so hopefully this will be less of a problem in the future. Without these plants, algae can create cellulosic ethanol. Researchers cannot even agree on the amount of carbon sequestered by agricultural land. The other thing I find about this fuel is that if you leave the fuel for more than maybe 60 days it plain will not burn unless you start the engine on fresh fuel and get it hot; then if 60 day fuel is introduced to the tank you can burn it. Methanol fuel is an alternative biofuel for internal combustion and other engines, either in combination with gasoline or independently. The percentage is based on the EPAs model for estimating emissions from all phases of the fuels life cycle, including agricultural and fuel consumption. Is that true? During its initial RFS rulemaking, the EPA allowed new corn planting for ethanol on land enrolled in the US Department of Agricultures Conservation Reserve Program, which pays farmers a monthly rent to keep fragile land idle. As a result, a 10 percent ethanol-gasoline blend will have 97 percent as much energy as gasoline. Ethanol has many uses, including as a fuel for internal combustion engines. Answer (1 of 3): It runs cleaner for criteria pollutants. Jeff Smith, a 35-year veteran of automotive journalism, comes to Power Automedia after serving as the senior technical editor at Car Craft magazine. A: This has to do with ethanols chemical makeup. Several companies, including Innovate Motorsports, offer a gauge that will display the percentage of ethanol in the fuel using one of these factory flex-fuel sensors. By The EPA touts the benefits of ethanol on rural economies and national security. I personally own a collectable John Deere lawn and garden tractor which is for sale. As for antique cars, I'm fairly lucky in that mine have relatively modern (1970s), reasonably well sealed systems. The water will separate the fuel from the gasoline and display the ethanol percentage. In the long run, you may actually save money using traditional gasoline instead. The most likely explanation is related to the air/fuel ratio. Fuel induction systems have to be richened up to compensate for that, with consequent worse fuel mileage. It shows 1930's fuel and compares it to all modern fuel blends and E85. Is that true? Does ethanol burn hot or cold? The heat required for igniting an air methanol or an air ethanol gas mixture at just above stoichiometric conditions, i.e., minimum ignition energy (MIE), is respectively 0.14 mJ and 0.28 mJ. Most The industry recommendations included adopting a model maintained by the Global Trade Analysis Project (GTAP) at Purdue University to estimate the pollution generated by planting corn for ethanol, EPA records of the debate show. Flammability of the Product: Flammable. Build your own custom newsletter with the content you love from EngineLabs, directly to your inbox, absolutely FREE! 3 Can I run my car with ethanol? In fact, a gallon of standard gasoline produces one-third more energy than a gallon of ethanol, which is quite a stark difference. That's a lot, even when you take into account that a great deal of the corn for ethanol becomes "distiller's dried grains," a high-protein animal feed. The first ethanol blended with gasoline for use as an octane booster occurred in the 1920s and 1930s, and was in high demand during World War II because of fuel shortages. Part III: Fundamentals for Analysis and Calculation of Energy and Environmental Performance. Ethanol attracts and absorbs water, including water from the air. However, there is still energy required to produce this renewable source. Why isnt it just E100 pure ethanol? Bioethanol fireplaces have a higher heat output than gel fireplaces. What Are The Differences Between Ethanol (E85) vs. Q: Ive heard that the percentage of ethanol in E85 can vary. Its better to invest in an E85-designed carburetor. Only real change I've made other than to use slightly richer jets is to use only new carb kits and fuel lines. Over time, it has been shown that it is these aromatics, and not necessarily the ethanol, that can cause fuel system damage. When you look at the chemical composition of ethanol and gasoline, you find that ethanol is a single molecule, C2H6O, whereas gasoline is a complex mix of hundreds of different hydrocarbons (including pentane, benzene, xylene, butane, toluene, and hexane, plus a variety of additives). Adiabatic flame temperatures for common gases are provided for air and oxygen. What is the ratio? The retail consumer answer to this problem I see at the retailers I frequent is they are selling special alcohol-free motor fuel in small cans for the equivalent of $10 to $20 a gallon. Either way any gas so stored should be used up as soon as possible in the Spring regardless of any stabilizer used. 4 Does ethanol make your engine run hotter? The average oil refinery, by contrast, produced only 533 metric tons of carbon. Washington, D.C.: United States Department of Energy, Energy Information Administration, 2014. He is proud to be "woke" and doesn't really give a damn why the glass broke. But years from now when even e10 gas is tough to find we'll miss these days as much as we miss the days of ubiquitous Sunoco 260. In fact, you can expect to receive between 15% and 27% fewer miles per gallon with ethanol vs. gasoline. Along these same lines, E0 would indicate no ethanol is added to the gasoline. So if the stock jetting was 75, it would require as large as 100 to 105 jets. 841 Posted March 30, 2013 I have long suspected and heard that gasoline with ethanol (currently 10%) where I live will cause engines to run hotter. But then again I remember reading in "Pur Sang" the Bugatti owner's club magazine about a guy that ran a Bugatti on methanol a thousand miles on a tour. It has a much greater cooling effect on the inlet air than gasoline and also delivers a much higher 98 to 100 octane rating. Copyright 2023, Antique Automobile Club of America. And thats where things start to go sideways. The more common issues attributed to ethanol include the following: Ethanol contains about 30 percent less energy per unit volume than gasoline. While existing fuel stations can easily sell ethanol with the setup they already have, many of them havent transitioned yet. Q: What is denatured alcohol is that different from ethanol or E85? A growing consensus among them has found that, considering all phases of the fuels life cycle, ethanol produces more carbon than gasoline not less. Rome: United Nations Food and Agricultural Organization, 2014. I run my Judge a bit rich (71 instead of 70 jets) to compensate but that is mainly because 93 is about 97 old style and the warmed-over RA 400 runs better that way. No, you wouldn't get any deposits. [1/2] An ethanol plant with its giant corn silos next to a cornfield in Windsor, Colorado July 7, 2006. Because of these differences, it is not surprising that gasoline and ethanol do not perform identically, and that blending ethanol with gasoline can affect the performance of the fuel. Q: What is E85s octane rating? Even in areas where ethanol isnt created, its often cheaper than comparable gasoline. CO 2 is produced when the fuel does burn . A: Not entirely. The Congressional mandates for expanding biofuels expire later this year, placing the future of the RFS at the discretion of the EPA. Ethanol also provides benefits that should be taken into consideration. This is because it is extremely expensive to remove that last bit of water. Drained the tank, filled with fresh fuel. Great. Does methanol or ethanol burn faster? Q: What is E85? For instance, early scholarship on ethanol regulation suggested the RFS would lead to deforestation, which did not occur. Percentages of E85 will vary most often during winter when the percentage of gasoline is increased to improve cold weather starting for Flex-fuel vehicles. Of course you need to burn most of it out and refill the tank with fresh or the engine will not start the next time. Given that our old cars may not be as good as when new even with our best restoration efforts, it seem that the gasoline we are forced to use is contributing to the potential for overheating. Since then, farmers have planted about 5 million acres of conserved land with corn for ethanol, according to the National Academy of Sciences study. Gasoline is known to produce more energy than ethanol. The lower the gas mileage of the fuel, the more fuel you need to buy to travel the same distance. Assistant Professor and Research Associate. Q: Ive been told that if I put E85 in my older muscle car, I will have to use a special and very expensive PTFE fuel line. The issue is that burning stuff any stuff to power our societies is a negative sum game that endangers every person alive today and all those who will follow in their footsteps. Should it be abolished? . Although ethanol-free gas is not bad for your car, gasoline with too much ethanol can actually cause harm to an engine that is not programmed to take it. This number can vary depending upon some complex ways that octane is measured which do not take into account E85s ability to cool the inlet air. With respect to many gas stations moving to 15% ethanol, our owner's manual specifically states that if any engine damage is the result of using fuel with more than 10% ethanol, the warranty is no longer valid. I keep the tanks on my cars full. What additive is best? I have been an owner, and driver, of 1929 Studebakers since the early 70s. This means that a car running on E85 will use more fuel than one running on gasoline, and will therefore produce fewer miles per gallon. Taheripour has received research funding from several biofuels industry trade groups since 2012, including the Renewable Fuels Association, National Corn Growers Association, Indiana Corn Soybean Alliance, and National Biodiesel Board, according to a Reuters review of his research funding disclosures. These types of discussions are difficult to keep focused on the old car hobby, and often result in posts being deleted. A simple adjustment to the fuel system to "richen" the mixture can often fix this problem. The Purdue model approach to estimating agricultural emissions has been disputed by academics. The point is you will need to be aware of the fuel coming out of that yellow-handled pumpit often will not be true E85. Cooler air is denser, which adds power. Ethanol molecules include oxygen atoms, whereas gasoline molecules don't. Industry groups including the RFA bristled at the calculation and urged the agency to change the formula. Only drive when the temperature is cooler which means leaving early in the morning and turning around and going home as soon as I arrive. However, ethanol actually *increases* evaporative charge cooling and *reduces* knock.
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