Long considered a problematic way to reduce carbon emissions, regulations may be our best option.
Chemical producers abandoned the U.S. in droves. Cheap natural gas is luring them back.
Manufacturing, transporting, and constructing the world’s largest wind turbine represents a unique challenge.
Fast reactors can shrink nuclear-waste stockpiles, but can designers tame the inherent hazards?
The U.S. will still need more big breakthroughs to eliminate the need for imported oil.
Transatomic is developing a new kind of molten-salt reactor designed to overcome the major barriers to nuclear power.
Advanced materials and smart design could lower turbine blade costs by 40 percent.
A proposed engine design approaches the efficiency of gas-electric hybrids, but could be far cheaper.
Crop yields are expected to decline due to climate change faster than scientists thought.
But is the company scaling up its technology too fast?