Honda's Hybrid Accord uses electric motors in lieu of all but one gear.
Companies are developing powerful engines that can run on natural gas together with diesel.
With no hope for climate legislation, all Obama can do is wait for EPA regs. No wonder his climate advisor is leaving.
A Tesla Model S caught fire. What happened brings both good news and bad news for electric vehicles.
By changing the way certain organisms process sugar, UCLA researchers have shown how to produce more biofuel.
The IPCC says we can emit a trillion tons of carbon and still avoid major warming. We’ll emit much more.
The new climate report largely reaffirms scientists’ claims.
The $2.2 billion Ivanpah solar power plant can now generate electricity. But was it worth the money?
GE has demonstrated technology aimed at addressing one of the biggest challenges with fracking: water pollution.
Sun Catalytix is making a new type of flow battery that could store hours’ worth of energy on the grid.