Hawaii is showing the nation how to significantly cut back on fossil fuels as a power source.
The Fuel-Efficient DriverYou don’t need to reinvent buses to help them save gas. This technology rewires their operators instead.
Stanford 1, Harvard 0Forget fossil-fuel divestment. Harvard could be greener—and save money—by doing what the California university already has.
Greening Your PortfolioOne way to help homeowners and businesses switch to renewable energy? Buy a piece of their solar panels.
The Texas Town That Just Quit Fossil FuelsIt wasn’t altruistic. It’s because coal’s getting too pricey—and water’s become too scarce.
Green LightInnovations like LED light bulbs aren’t just good for the environment—they’re smart investments.
Partly SunnyAmerica is making lots of solar energy. What’s holding it back from making solar panels?
Russia Is Europe’s Gas StationAnd that’s why you won’t see European leaders calling for action against Putin.
The Electric SlideStates used to help people buy electric and hybrid cars. Now they’re punishing them for it.
Blue-Collar SolarRenewable energy doesn’t have to be a luxury purchase. Here’s how one company makes it a cost-saver for the working class.
Peak CoalNo, coal energy isn’t going out of style. But the U.S., and maybe even China and India, are deciding they need a lot less of it.
Big SolarRenewable energy finally makes sense as a utility—and that’s why it’s becoming a threat to coal.
Auto SaveLow gas prices are bad news for hybrid vehicles. But they won’t harm the rise of all-electric cars.
Long May You RunThe next growth area in energy has nothing to do with oil, wind, or solar. It’s batteries.
FurtherForget Tesla. If you really want to reduce vehicle emissions, it’s unglamorous buses, not flashy sedans, that need to go electric.
Flywheel of FortuneBeacon Power was just another failed recipient of a Department of Energy loan. Now it’s roaring back.
America Will Likely Close Out 2014 as the World’s Reigning Oil ChampionAnd at the same time we’re pumping more, we’re using less—and using it more intelligently.