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.

A federal judge ruled Wednesday that two provisions of the USA Patriot Act are unconstitutional because they allow search warrants to be issued without a showing of probable cause.

We'll see what the Court of Appeals says.

There's a lot you can do to limit your emissions while driving. Control your speed, get a fuel efficient vehicle, even carpool. But no matter what you do, you can't reduce your emissions to zero.

For a few dollars a year you can purchase "carbon offsets" for the emissions you can't reduce directly, just like Google does.

I use terrapass, but I'm sure there are other organizations out there.