OriginOil claims that its technology extracts oil from algae cheaply and efficiently.
Researchers make cells with near-perfect internal efficiency.
A spinoff from the Rocky Mountain Institute has developed a 100-miles-per-gallon plug-in hybrid.
Flexible carbon-nanotube supercapacitors could give more power to cell phones and other electronics.
Research may be needed to evaluate alternatives to reducing greenhouse-gas emissions.
In November, Fisker Automotive will begin sales of a car with 50 miles of battery-powered range.
Fear of EPA regulation could help it pass, says Congressman Markey.
Ethanol from corn consumes three times more water than previously thought.
Tiny boats made of nanomaterials are powered directly by sunlight.
The automaker wanted U.S.-based manufacturing and a flexible battery design.