Biofuels worsen global warming, according to two studies published in Science last week. Current US biofuel policies would double carbon emissions over the gasoline alternative. More details: ScienceExpress fulltext pdf of study #1, powerpoint summary of study #1, abstract of study #2, summary of both, policy recommendations pdf (via: 1, 2).
posted on Feb 10, 2008 - View this thread

Will algae defeat global warming? "Fed a generous helping of CO2-laden emissions, courtesy of the power plant's exhaust stack, the algae grow quickly... The cleansed exhaust bubbles skyward, but with 40 percent less CO2... The algae is harvested daily and a combustible vegetable oil is squeezed out: biodiesel".
posted on Apr 14, 2006 - View this thread

Your Mr. Fusion is ready. Sort of.
posted on Sep 14, 2005 - View this thread

Teenager runs his VW Jetta with used canola oil.
posted on Jul 20, 2000 - View this thread