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…

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 sho…

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, yo…

Interested in an energy-efficient auto? You're in luck. That's because nearly every major car company has a hybrid line, or has plans to introduce one soon….