Porsche's new part-time electric car could challenge Tesla, which has been outselling the more established automaker.
Nobel Prize for Chemistry celebrates detailed simulations of combustion.
Honda's Hybrid Accord uses electric motors in lieu of all but one gear.
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.
The $2.2 billion Ivanpah solar power plant can now generate electricity. But was it worth the money?
On a closed track against a powerful head/tailwind, what racing strategy should a cyclist adopt? One engineer has derived a simple rule-of-thumb that gives the answer
The world needs nuclear power to reduce the emissions causing climate change, but that depends partly on finding a place to store decades' worth of accumulated waste
Even with a terrible recession and a natural-gas bonanza, the U.S. isn’t cutting emissions fast enough.
Computer scientists have simulated from first principles the way batteries wear out as they are charged and discharged for the first time