Tech News 1: At bioenergy crossroads, should corn ethanol be left in the rearview mirror?

[bob_turner]

Transportation is responsible for a larger share of greenhouse gas emissions than any other sector of the U.S. economy, making biofuels a promising strategy to mitigate human-driven climate change. The U.S. Renewable Fuel Standard, created by 2007 legislation, mandates that such fuels partially replace petroleum-based ones. So far, however, the mandate has been nearly entirely fulfilled by corn ethanol, a fuel that may be worse for the climate than the gasoline it replaces.

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