Prior to WW1, most fuel ethanol came from wood logging and milling waste using the Scholler process.
Industry heavyweights like Cosan (CZZ) are also researching ways to make fuel ethanol friendly for jet fuel, and turn sugarcane bagasse, the leafy waste of the cane stalks after they are crushed into sugar molasses, into second generation ethanol, as well.
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Finally, adding ethanol actually raises the price of blended fuel because ethanol is more expensive to transport and handle than gasoline.
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"And it jumped a whole lot more in years when there was a lot of ethanol in the fuel than it did in years when there was no ethanol in the fuel, " he said.
Its first action was to challenge oil companies to double the number of renewable fuel pumps at their stations within the year and pledge to offer E85 ethanol fuel at half of all gas stations within the decade.
Choosing plants with no food value sidesteps one of the biggest criticisms of another synthetic fuel, corn ethanol, because critics say that corn should be used as food, not fuel.
Two well-known cynics, David Pimentel of Cornell and Tad Patzek of UC, Berkeley, calculate that producing a gallon of corn ethanol consumes 29% more fossil fuel energy than the ethanol displaces.
On the fuel side, we have ethanol subsidies and the Renewable Fuel Standard, which is an implicit subsidy program.
They would as well provide tax credits for high-ethanol fuel pumps, refineries and other biofuels production.
But more importantly, that does NOT mean that ethanol fuel is not worth using.
In pursuit of energy independence, the United States is diverting about a quarter of the national corn crop to produce ethanol fuel.
Switchgrass contains cellulose, the starting material that, with enough heat and the right enzymes and chemicals, can be made into ethanol fuel.
Freeman was a director and Nelson promoted Earth's "Bio-Willie" ethanol fuel mix.
Gevo, of Englewood, Colorado, which filed for flotation on NASDAQ in August, is planning to make another type of post-ethanol fuel: butanol.
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While automobile engines generally fare better on mid-level ethanol fuel blends than small engines, they are by no means immune to those problems.
Watkins' one-person energy shop, Watkins Pencor , is a principal owner in Masada Oxynol , a Birmingham company that has devised a way to turn municipal solid waste into fuel-grade ethanol.
Nearly four million miles have been driven on Sunoco Green E15, validating the fuel qualities and environmental impact of ethanol as a viable fuel to the millions of NASCAR fans across the country.
Using ethanol fuel, it is possible to make 2 to 2.5 L 4 cylinder engines that have the same or more power than the gasoline V8s currently used in even the largest trucks or SUVs.
Next the company converted the microbe to produce means to create ethanol fuel from plant cellulose, and following scale-up and cost problems, abandoned that dream to focus upon higher cost chemicals used in cosmetics.
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The USDA again raised its estimate of how much of that crop will be consumed by the ethanol fuel industry, which enjoys extensive government incentives, to 4.9 billion bushels, up 100 million bushels from its December estimate.
If all those fantasies become reality, the U.S. could, in theory, meet all of its transportation fuel needs with ethanol by 2050 without adding to today's current cropland, according to an exhaustive study by the National Resources Defense Council, an environmental group based in New York.
At present, ethanol is used mainly as a fuel additive, with the 85% ethanol-gasoline blend known as E85 sold only sparsely across the country.
These producers are guaranteed a market, since regulations oblige fuel merchants to mix ethanol into petrol.
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The fuel is called cellulosic ethanol and it's a favorite alternative to gasoline.
From there, it's a relatively easy and well-known process to turn Acetyl Co-A into a fuel like butanol or ethanol.
In Brazil, ethanol is used both as a gasoline additive (20% to 22% blend) or as a pure motor fuel (100% ethanol).
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Grassley, R-Iowa, a longtime backer of ethanol and fuel from animal waste.
Pure Power processes the woody biomass to produce ethanol for fuel, xylitol for food sweetening and lignin for the production of biopolymers.
This type of ethanol refers to fuel made from waste, wood, plants and other products, as opposed to the now widely produced corn ethanol.
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