The United States is in danger of losing a key bargaining chip ahead of this year's climate-change meeting in Copenhagen.
It's time to drop miles-per-gallon ratings, or any other one-size-fits-all fuel economy measurement for vehicles.
Siting decisions are delaying current projects to extract heat from hot dry rock deep underground.
Money has been allocated to jump-start an advanced battery industry in the United States.
Will the vehicle's short range hamper its success?
Researchers at Black Hat say the current generation of energy devices aren't ready for mass deployment.
The prototype electric-drive system is built into one of the company's existing vehicles.
A one-step process for converting cellulose into ethanol produces high concentrations of the fuel.
Nissan says wireless charging could make it easier to keep EVs topped off.
The company's technology for generating and managing energy could reduce strain on the grid.