GM and Toyota leaders admit that hydrogen fuel cells have serious problems.
At the Geneva Motor Show, GM unveils a new system for improving fuel economy.
Producing ethanol might increase greenhouse emissions, but the funding to find out is being cut.
New studies show that it takes less energy to grow cellulosic crops.
A plan to build the largest wind farm in New England has received final approval.
The energy bill signed this week will have an enormous impact on biofuels.
Nanosolar is shipping printed solar cells.
Long-awaited improvements to fuel-economy standards will likely be enacted soon.
New legislation is a positive step toward solving looming energy problems.
The company will spend millions to make renewable energy cheaper than coal.