Sentences with phrase «most ethanol produced»

Most ethanol produced in the United States is currently derived from corn, a relatively poor feedstock given its low yield and high fertilizer requirements which have been linked to water pollution, the expanded «dead zone» in the Gulf of Mexico, and significant greenhouse gas emissions.

Not exact matches

While both can be obtained from petroleum or natural gas, ethanol may be the most interesting because many believe it to be a renewable resource, easily obtained from sugar or starch in crops and other agricultural produce such as grain, sugarcane or even lactose.

Today most ethanol in the United States is made from corn, using an energy - intensive process that may not actually save a lot of fossil fuel, and in any case America can not produce enough ethanol from corn to really matter.

This means that switchgrass ethanol delivers 540 percent of the energy used to produce it, compared with just roughly 25 percent more energy returned by corn - based ethanol according to the most optimistic studies.

When you account for these factors, corn ethanol — currently the most widely produced biofuel in the United States — generates about 43 percent less carbon dioxide than gasoline.

«Most of the vehicles in Brazil are powered by ethanol, so I understand how a domestically produced renewable fuel can help the energy solutions of a nation,» said Fittipaldi, who previously drove the Corvette Z06 E85 Concept pace car at the 2008 Indianapolis 500.

Just been looking up the sources for commercial CO2 and here is a short exerpt from google: «The most common operations from which commercially - produced carbon dioxide is recovered are industrial plants which produce hydrogen or ammonia from natural gas, coal, or other hydrocarbon feedstock, and large - volume fermentation operations in which plant products are made into ethanol for human consumption, automotive fuel or industrial use.

Still, it's clear that a combination of pressures to cut the deficit, concerns about food prices and clearer information about the dubious merits of most existing methods of producing ethanol has overcome the political heft of farm states.

But the ethanol boosters are ignoring some unpleasant facts: Ethanol won't significantly reduce our oil imports; adding more ethanol to our gas tanks adds further complexity to our motor - fuel supply chain, which will lead to further price hikes at the pump; and, most important (and most astonishing), it may take more energy to produce a gallon of ethanol than it actually coethanol boosters are ignoring some unpleasant facts: Ethanol won't significantly reduce our oil imports; adding more ethanol to our gas tanks adds further complexity to our motor - fuel supply chain, which will lead to further price hikes at the pump; and, most important (and most astonishing), it may take more energy to produce a gallon of ethanol than it actually coEthanol won't significantly reduce our oil imports; adding more ethanol to our gas tanks adds further complexity to our motor - fuel supply chain, which will lead to further price hikes at the pump; and, most important (and most astonishing), it may take more energy to produce a gallon of ethanol than it actually coethanol to our gas tanks adds further complexity to our motor - fuel supply chain, which will lead to further price hikes at the pump; and, most important (and most astonishing), it may take more energy to produce a gallon of ethanol than it actually coethanol than it actually contains.

However, «once commercially available, cellulosic ethanol produced in set - aside grasslands should provide the most efficient tool for greenhouse gas reduction of any scenario we examined,» the report added.

At the moment, most of this comes from ethanol produced by corn, and in the future plans are to power vehicles from forests, oil crops such as oil palm and soya for biodiesel, and other biomass.

Although human beings have been producing ethanol, grain alcohol, from sugar and starch for millennia, it is only in recent years that the genetic engineering of biocatalysts has made possible such production from the hemicellulose and cellulose that constitute the substantial majority of the material in most plants.

# 1 Turn food into fuel... «Already, half of the nearly 11 billion bushels of corn produced each year is turned into ethanol, and most new cars are capable of running on E10 (10 % ethanol and 90 % gas).»

Indonesia, the world's largest producer of palm oil, and Brazil, one of the most successful places where ethanol has been produced from sugarcane, have agreed to

However, Joe Romm pointed out that though «as a matter of science the deal is not optimal,» the end effect of this compromise is slight, noting that most of the corn ethanol produced under the 2007 energy bill was already grandfathered in and would not have to meet these emissions requirements.

The most water - efficient energy sources are natural gas (though we may be just about out of it) and synthetic fuels produced by coal gasification; the least efficient are ethanol and biodiesel — the biofuels just can't catch a break these days, can they?Water use winners and losers The research pair analyzed 11 types of energy sources, including coal, fuel ethanol, natural gas, and oil; and five power generating methods, including hydroelectric, fossil fuel thermoelectric, and nuclear methods; in terms of power generation, Younos and Hill have found that geothermal and hydroelectric energy types use the least amount of water, while nuclear plants use the most.

Most of the energy in ethanol is derived from the fossil fuels used to produce it.