A set of canals, levees, and reservoirs that could have staunched Louisiana's floods had been deemed impractical.
Harley-Davidson has agreed to pay $12 million in fines to the Environmental Protection Agency for evading clean air laws.
The EPA's new regulations are a big deal -- both for the troposphere and for the lungs of anyone in trucking territory.
Tesla wants to glam up the boring world of roofing.
We’re in an era of cutthroat plug competition — which is both good and bad.
A new study from the journal Energy Economics has a plan to assimilate coal miners into the solar industry.
NASA says it will start studying a bunch of cutting-edge aviation ideas -- four of which could make air travel much cleaner than it is today.
Apple can sell electricity now. What next?
Transit officials bribe riders with high-tech perks, when they really just want a fast, reliable way to get around.