From The Daily Green's Jim Motavalli:
Everybody likes the idea of solar-powered vehicles, but it's easier to imagine as science fiction than it is to make real. But when an airplane recently took a 24-hour solar-powered flight - and landed safely - it got everyone fired up again. So here's a look at various forms of transportation driven by the sun - none of them ready for commercialization just yet. But the dreaming is getting closer to reality.
See how recycling cans can trump the car you drive when it comes to the 12 most effective ways to reduce your oil consumption.