Sentences with phrase «ethanol production consumes»
Already, ethanol production consumes about 40 % of the annual U.S. corn crop.
http://www.globalwarming.org/ Not exact matches
Using Patzek's methodology for every aspect of ethanol production save the conversion process itself, a gallon of Corn Plus ethanol consumes less energy than it contains — even before factoring in credit for coproducts.
By 2001 every BTU consumed in ethanol production generated 67 percent more energy, when coproducts like distillers» grains are taken into account.
Two recent reports noted that corn - based ethanol production is upping food prices and consuming worrisome amounts of water.
Industrial countries could produce enough sugar cane / grain ethanol and / or cellulosic ethanol to replace the 75 + million barrels / day they consume without adversed effects on food production and / or major changes in land use.
But all of this is despite serious scientific concerns about biofuels, especially corn ethanol - whose production requires lots of land, and consumes lots of energy - some say more than the fuel itself produces.
It does not release carbon that would otherwise stay stored underground, as occurs with fossil fuel use, but when starch, such as corn, is used for ethanol production much energy, including fossil - fuel energy, is consumed in the process of fertilizing, plowing, and harvesting.
Today 6.5 % of the world's grain is being used as feedstock for global ethanol production representing only one million barrels per day of the 85million barrels consumed daily.
Because of this policy, ethanol production now consumes approximately 40 percent of the U.S. corn crop, and the cost of corn for use in food production has increased by 193 percent since 2005 [the year before the RFS took effect].
Conventional ethanol production is energy - intensive, expensive, and time - consuming as the barley malt or other material being brewed needs to be heated up as a mash in feedstock pre-treatment.
Indeed, an article in Popular Science cites a study by the Center for Agricultural and Rural Development at Iowa State University that predicts that U.S. ethanol production could consume more than half of corn, wheat and coarse grains by 2012, ratcheting up food prices and potentially causing massive shortages.