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.
As gas prices spike daily, we're all looking to save money at the pumps. But if your car uses daytime running lights, be prepared to dig deep into your wallet.
What if we could derive energy from crops without killing them or generate power using plants and land not needed for food, all through the power of microbes? Meet the newest, greenest "power plant."