Tag Archives: biofuel

US Rep. Herseth-Sandlin (D-SD) Questioning Big Oil (ExxonMobil, Chevron, BP, ConocoPhillips, Shell)

Don’t miss US Rep. Herseth-Sandlin (D-SD) questioning big oil companies:  ExxonMobil, Chevron, BP, ConocoPhillips, and Shell [youtube=http://youtube.com/watch?v=ja8OD7zg-Ig]

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Do Biofuels Always Bring Rainforest Destruction?

The debate over “carbon debt” created by changes in land use has recently expanded to include the issue of competition between food and fuel and its effect on developing countries. David Tilman of the University of Minnesota, one of the lead authors of the “Land Clearing and the Biofuel Carbon Debt” article in Science, recently held an interview with Newsweek magazine in which he says, In order to grow biofuels, farmers have gone to fertile Read More >

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Trying to Define the Indirect Land Use Issue

Michigan State University Professor of Chemical Engineering Bruce Dale recently sent a letter to colleagues interpreting the analyses by Searchinger et al. and Fargione et al. in Science. In the letter, Dale says, “The Searchinger and Fargione argument at its root is this: corn (and perhaps cellulosic) ethanol is not sustainable because it will divert land use for animal feed (over 70% of corn is fed to animals) to new lands that will release large Read More >

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Biofuels and Carbon Debt

The Energy Independence and Security Act of 2007 establishes an ambitious renewable fuel standard that increases biofuel production and use to 36 billion gallons by 2022. The standard also mandates that renewable fuels produced in new facilities constructed after enactment of the Act, which occurred in December 2007, “achieve at least a 20 percent reduction in lifecycle greenhouse gas emissions compared to baseline lifecycle greenhouse gas emissions.” The Act does not specify a specific instrument for measuring Read More >

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