Phasing out the production tax credit, and adding cost and performance requirements, could shorten the path to large-scale renewable energy.
GE hopes to increase power output at existing wind turbines by offering free upgrades--you just pay if the upgrades work.
In focusing on EPA regs aimed at stationary sources of carbon dioxide, the Supreme Court will leave fuel economy standards intact.
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