A new type of wind-turbine platform can be placed much farther from shore.
Oasys Water says it will test complete, large-scale systems using forward osmosis early next year.
But the lack of comprehensive legislation could prevent international agreements needed to limit global warming.
Airbus will adopt a type of jet engine intended to improve fuel efficiency.
As Congress prepares to vote on a comprehensive spending bill, U.S. energy projects such as ARPA-E hang in the balance.
An alternative to batteries gets an advance from tiny, crumpled sheets of graphene, whose electrodes can store more charge because they have larger surface areas.
The next few years will show whether the batteries in electric cars from GM and Nissan are safe and reliable.
As Nissan and GM prepare to ship flagship electric vehicles, Toyota is taking another road.
A massive biogas facility will turn manure from dairy farms into electricity and fertilizer.