Topic: Vinod Khosla
The EPA requiring gasoline blenders to blend cellulosic ethanol makes about as much sense as requiring automakers to sell unicorns, Rapier writes.
Clean energy companies have made money for some investors, but that doesn't mean they're successful businesses. Clean energy – or clean tech – will create winners eventually, but maybe not in the United States.
10/12/2011 10:18 am
Ethanol producers, backed by major investors, say a wide range of materials soon could power your car.
08/28/2008 01:00 am
Engineers aim to transform solar, fuel-cell, and biofuel projects into viable industries.
05/11/2007 01:00 am