Natgas cars: Clean, green, going nowhere Honda’s green Civic winning rave reviews, but practical for few drivers |
Chemistry exam — hydrogen cars put to test Automakers lease models so they can test real world conditions |
Cross-country hydrogen trek completed A few gaps in refueling didn't stop carmakers from showing technology |
Solar-powered plane said to break record Company says propeller-driven 'Zephyr' flew for 83 hours and 37 minutes |
Zenn and the art of small, electric vehicles Will smaller electric cars with limited speed and range catch on? |
New Honda hybrid will cost less than Prius Hybrid-only car, due in 2009, to be priced less than Toyota vehicle |
Nissan shows models of electric car, hybrid A battery developed that delivers more power than type common today |
More Green Machines news & features |
Fuel cell breakthroughs reported 'Simplicity' of cheaper materials and solar power 'is amazing,' says official |
Community colleges groom wind technicians Turbine technicians groomed, industry often grabs them before graduation |
Postal Service eyes hydrogen for its fleet Alternatives sought after gasoline increased costs by $600 million last year |
GM, utilities join to study electric car’s impact Aim to look at issues that will crop up when GM rolls out the Chevy Volt |
Scientists tap motion in the ocean for energy Wave power, dolphin flukes and humpback whale fins among inspirations |
Texas OKs lots more wind power Already U.S. leader, state moves ahead on $5 billion transmission project |
Hydrogen future doable, experts say Best-case scenario: cars free from oil by 2050, and few carbon emissions |
33,000 solar panels going atop warehouse Calif. utility giant hopes to expand to 3.5 million panels on 150 rooftops |
Technology could streamline solar power 'Solar concentrators' are more efficient, cost-effective than panels |
Sailor ends 4,800-mile wave-powered trip Japanese innovator uses green technology to cross Pacific, raise awareness |
LA gas station gets hydrogen fuel pump Opening aims to increase awareness of traditional gas alternative |
Solar dish may revolutionize energy production Inventors: Dish is 'user-friendly, user-friendly, so anybody can build it' |
Honda rolls out a new zero-emission car FCX Clarity uses hydrogen, electricity; set for Hollywood debut |
Calif. solar power test begins — in Israel Developer: 'Highest performance, lowest cost thermal solar system' |
Wind farms spread footprint in U.S McCain and Obama back turbine power, but industry says it still needs help |
Toyota unveils longer-range fuel cell vehicle Car can travel more than twice the distance of predecessor |
Utilities work on storing wind energy Experts try to improve on two underground vaults that use compressed air |
Neil Young is driven by electric car '59 Continental to become showcase for shift away from petroleum |
Europe invests in fuel cell, hydrogen cars Project with industry aims to bring them to market by 2020 |
Natural gas cars cheaper at the pump Fleets use cheaper, cleaner fuel, but only Honda makes consumer model |
Honda hybrids may be nightmare for Detroit New entries into market coming at a time when U.S. favoring smaller cars |
Drivers in no rush to buy big, hybrid SUVs Analysts: Car shoppers could shun pricey full-size Tahoe, Yukon |
 |
advertisement |
Tech & Science |
 NASA Cosmic Log: Black holes for kids Science editor Alan Boyle's Weblog: Physicist Brian Greene usually writes about string theory and other stuff most adults can't understand, but his latest book is a black-hole tale for kids. |
 | Video |
 | NBC News Channel |
| Video |
 | CNBC |
advertisement
 | Interactive |
 | Hybrid payback? Want to buy a hybrid, but concerned about the cost? Check out these models and comparisons. |
| Interactive |
 |
 | Interactive |
 |
 | Slide show |
 |
| MSN Autos |
 |