Tesla's supercharger network will be equipped with solar panels and batteries to ride-out power outages.
Tesla Motors' loan repayment is a bright spot for the DOE loan program.
A $300 million project seems to have failed to produce a cheap way to make fuel from algae.
Building solar and wind projects in the wrong place is wasting billions of dollars in Europe.
An International Energy Agency report says investments in oil technology will lead to a worldwide supply boom.
We've hit 400 ppm of carbon dioxide, but we won't know what that means for decades.
To stay profitable, Tesla needs to keep cutting costs and selling more cars.
Tesla’s innovations could make EVs more competitive.
The U.S. Geological Survey doubles its estimate for the size of a huge U.S. oil and gas resource.
Disruptive technological changes are at work but utilities are hamstrung by outdates business models and regulations.