Tilman clarifies study

Much of the media coverage of the recent Science Magazine studies made it clear that many hadn’t actually read the studies before they reported on them. Some interpreted the studies as condemning corn ethanol production now, not as the worst case scenario of what could happen in the future.
University of Minnesota professor David Tilman, an [...]

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 [...]