Yep, time to buy a few more shares in that ethanol plant down the road. The Times reports:

...maize biodiesels were calculated to produce up to ... 50 per cent more greenhouse gases respectively than fossil fuels. The concerns were raised over the levels of emissions of nitrous oxide, which is 296 times more powerful as a greenhouse gas than carbon dioxide. Scientists found that the use of biofuels released twice as much as nitrous oxide as previously realised.

Thoughts:

• Whenever a new Evil Gas (e.g., N₂O) is revealed in global warming scenarios, it is invariably far more evil than the previous Evil Gas (e.g., CO₂).
• Last weekend, I visited my brother-in-law's home biodiesel factory. He takes waste oil from a Chinese restaurant and converts it into diesel, and runs his '81 Isuzu pickup on it. It seems to run ok, but does smell like greasy Chinese food. Really.

Posted by David Fleck at 23 September 2007 10:01 AM