• Certain food-based biofuels like biodiesel have always been a bad idea. Others like corn ethanol have served a useful purpose and essentially are obsoleting themselves.

    Vinod Khosla: Certain food-based biofuels like biodiesel have always been a bad idea. Others like corn ethanol have served a useful purpose and essentially are obsoleting themselves.
    "On The Record: Vinod Khosla". San Francisco Chronicle Interview,, www.sfgate.com. May 11, 2008.