When gas prices rise, people's thoughts naturally jump to alternative fuel sources. Early adapters are already making the shift to hybrid cars, and eventually, we'll all be driving gasoline-free vehicles. Check out the articles in this roundup to learn all about the growing technology of alternative fuel.
No longer the stuff of science fiction, the future is now when it comes to green energy. Test your biofuel and energy crop IQ with this electrifying quiz.
You've seen lots of fuel-saving devices advertised on late night TV. But how can you know the gas-saving product you ordered in a sleep-deprived stupor will actually live up to its promises?