National Geographic : 2010 Nov
Solar Roof Tiles Solé Power Tiles may look like blue versions of the clay roof tiles traditionally used in sunny climes, but they're made of a durable polymer--- and they're actually curved photovoltaic solar panels, creating enough energy daily to cut a typical Ameri- can home's electric bill by 70 percent or more. Developed by SRS Energy Website srsenergy.com Launch country U.S. Solar Light Hazardous kerosene lamps are the only source of lighting for millions of people all over the world. The solar-powered MightyLight is safer, cleaner, and more versatile: It can be hung on a wall, placed on a tabletop, or carried. It also lasts longer---its LED technology is good for up to 30 years of use. Developed by Amit Chugh, Matthew Scott Website cosmosignite.com Launch country India PHOTOS: MARK THIESSEN, NGM STAFF TILE, LIGHT ; PAUL WELLMAN MOTORCYCLE Electric Motorcycle Made mostly from recycled materials, the Enertia "refuels" at either 110-volt or 220-volt electrical sockets. It travels at up to 60 miles an hour, emits no exhaust, and goes more than 40 miles between charges. The faster Empulse, with longer battery life, is due out in 2011. Developed by Brian Wismann Website brammo.com Launch country U.S.