September 30, 2007
Part of the problem is that American biodiesel companies basically get breaks from two governments, an American subsidy of $1 a gallon and then an UK rebate of 20p a liter. This means US biodiesel can sell for about about $860 a ton, much less than the $1,239 or so that a UK ton costs...
Yet, finding biodiesel in the US is still painful.
Producing fuel from corn and other crops could be good for the planet—if only the process didn't take a significant environmental toll. New breakthroughs could make a difference.
Long article, but quite informative. Be sure to check the interactive section too.