Today Boeing completed the first test flight of a commercial jet-liner using a mix of conventional jet-fuel and a fuel created from algae and the african weed jatropha. Boeing hopes that biofueled flights will be common in just three years.
posted by Artw on Jan 8, 2009 - 28 comments

Pond scum saves the planet? In the beginning, there were algae, but there was no oil. Then, from algae came oil. Now, the algae are still there, but oil is fast depleting. In future, there will be no oil, but there will still be algae. ^ Power your ride with pond scum. In some iterations you don't even need light. (we have talked about this before and the fact that CO2 powers the algae production is not insignificant) More details here.
posted by caddis on Apr 17, 2008 - 28 comments

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). [more inside]
posted by salvia on Feb 10, 2008 - 45 comments

Looking for a real renewable energy source? Feces powered cars: the future of transport?
posted by chaz on May 30, 2000 - 4 comments