Mythbusters on Ethanol (E85)

Mythbusters

Ethanol-blended gasoline powers cars and trucks hundreds of thousands of miles across the United States each and every year. In fact, it has powered vehicles through more than 2 trillion miles in the past 25 years. It is proven to decrease air pollution, enhance engine performance and boost local, regional and national economies. Every major automaker approves and warrantees its use. Even so, there's a lot of misinformation and misunderstanding out there. The truth is ethanol is economical, efficient and earth-friendly, and in North Dakota, it's good for all of us. Get the facts, and GoE!

Myth: Ethanol makes your engine run hotter.


Fact: There's a reason many high-powered racing engines run on pure alcohol. It combusts at a lower temperature, keeping the engine cooler. Ethanol, a form of alcohol, in your fuel does the same for your engine.


Myth: Ethanol is bad for fuel injectors.


Fact: Olefins in gasoline cause deposits that can foul injectors. By comparison, ethanol burns 100 percent and leaves no residue, so it cannot contribute to the formation of deposits. Fact is, ethanol actually keeps fuel injectors cleaner and improves performance. What's more, ethanol does not increase corrosion, and it will not harm seals or valves.


Myth: Ethanol plugs fuel lines.


Fact: Ethanol actually keeps your fuel system cleaner than regular unleaded gasoline. In dirty fuel systems, ethanol loosens contaminants and residues and they can get caught in your fuel filter. In older cars, especially those manufactured before 1975, replacing the filter will solve the problem. And if you continue to use ethanol-blended gasoline, your filter will remain cleaner for improved engine performance.


Myth: Ethanol isn't safe for older vehicles.


Fact: Many older cars were designed to run on leaded gasoline, with the lead providing necessary octane for performance. However, even dramatic changes in gasoline formulation over the past few years have not affected older engine performance. Ethanol, a natural, renewable additive, raises octane levels by three points and works well in older engines.


Myth: Ethanol harms small engines, like those on lawn mowers, snowmobiles, personal watercraft and recreational vehicles.


Fact: Small engine manufacturers have made certain that their engines perform with gasoline that contains oxygenates such as ethanol. Fact is, ethanol-blended fuel can be used safely in anything that runs on unleaded gasoline.


Myth: Ethanol actually increases air pollution.


Fact: There can be no increase in emission from ethanol-blended fuels; it's the law. In fact, ethanol reduces carbon monoxide emissions by as much as 25 percent and displaces components of gasoline that produce toxic emissions that cause cancer and other diseases.


Myth: Ethanol contributes to global warming.


Fact: The energy balance for ethanol is positive, 1.35 to 1, so the greenhouse gas benefits of ethanol are also positive. Fact is, using ethanol produces 32 percent fewer emissions of greenhouse gases than gasoline for the same distance traveled.


Myth: It takes more energy to produce ethanol than it contributes.


Fact: Fact is, corn plants efficiently collect and store energy, so for every 100 BTUs of energy used to produce ethanol, 135 BTUs of ethanol are produced. In addition, ethanol facilities are extremely energy efficient.


Myth: Ethanol production wastes corn that could be used for food.


Fact: In 2001, U.S. farmers produced 9.5 billion bushels of corn and only 600 million bushels are currently used in ethanol production. Fact is, there's no shortage of corn, and the ethanol market could expand significantly without negatively impacting its availability. Besides, ethanol production uses field corn, most of which is fed to livestock, not humans. Only the starch portion of the corn kernel is used to produce ethanol. The vitamins, minerals, proteins and fiber are converted to other products such as sweeteners, corn oil and high-value livestock feed, which helps livestock producers add to the overall food supply.


Myth: Ethanol does not benefit farmers.


Fact: Demand for grain from ethanol production increases net farm income more than $1.2 billion a year, and ethanol production adds $4.5 billion to U.S. farm income annually. Studies have shown that corn prices in markets near ethanol plants will increase between 5 cents and 8 cents per bushel. In North Dakota, ethanol production increases the market price for corn by 25 cents per bushel. In addition, ethanol production accounts for a portion of the overall corn supply and helps improve corn prices nationwide.


Myth: Ethanol only benefits farmers.


Fact: The increase in net farm income results in a boost in the agricultural sector that cuts farm program costs and taxpayer outlays. Beyond that, ethanol production has been responsible for more than 40,000 jobs, or more than $1.3 billion in household income. It also directly and indirectly adds more than $6 billion to the American economy each year by boosting surrounding economies.

Sources: American Coalition of Ethanol and the Renewable Fuels Association

N.D. Department of Commerce
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Phone: 701.328.5300
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http://www.goefuel.com/facts/mythbusters.html

nice write up......good info.

Been researching this for months so I can convert my '96 Mustang GT to E85.

dont know about the car thing, but I have seen many boats have to have there carbs rebuilt because of ethanol, in fact you have to buy an additive that they sell at marinas and boat stores that's not cheep, to keep you from having carb problems, I dont know what the Myth Busters say about that, but I've seen it first hand, and on a large scale, I live on a boat so I'm around boats and other boaters all the time.

Big Blue wrote: I live on a boat so I'm around boats and other boaters all the time.

didnt know that, how Miami Vice of you : )

i thought the biggest issue with running E in older cars is that the rubber fuel lines and valve seals cant take it and detoriorate much quicker. this is probably the same thing thats happening to the gaskets and various seals inside those boat carbs

i think you also have to run a higher compression to maintian the same amount of power with ethional. thos Hi-po racing engines they mention are probably in the 15:1 range and pump gas really cant support a motor like that. the motor in your daily driver is probably somewhere around the 9:1-10:1 range.

the more alcohol content in the fuel the more of a chance it will detiorate the lines over time....hence why when a race car runs methanol/alcohol fuel they will pickle the engine with 104 or 116 octane......start it/prime it with 116....race with meth.....clean it out with 116.