Tesla’s battery farm on Kauai opens, large-scale solar energy for Hawaii

Solar Panels by Flickr user Chandra MarsonoEven before Elon Musk engineered Tesla's acquisition of SolarCity, the two companies were collaborating. SolarCity was already controlled by Musk, who believes its solar-energy business can be reinforced and complemented by Tesla's energy-storage business. Last year, Tesla announced a joint project with SolarCity to install a large battery farm...

How to pay most of a million bucks to use the carpool lane in Florida

2015 Porsche 918 SpyderSome people will do anything to avoid a little traffic. Like many other states, Florida offers drivers of greener cars solo access to its high-occupancy vehicle lanes, also known as carpool lanes. That privilege is extended to hybrids, plug-in hybrids, and battery-electric cars. DON'T MISS: Porsche 918 Plug-In Hybrid Supercar Ends Production After...

Best deals on hybrid, electric, fuel-efficient cars for March 2017

2017 Chevrolet CruzeOnce again, it's to look at the month's best deals on hybrids, plug-in hybrids, electric cars, and fuel-efficient gasoline cars. Deals for March include several new models, as well as a couple of holdovers from the previous model year. Some manufacturers seem to be more aggressive with incentives this month than others. We'll let you figure out...

5 electric-car questions to worry about this year

2017 Nissan Leaf  It seems fair to say that the new presidential administration may have increased the generalized level of worry among many Americans, not to mention the rest of the world. Among the things to worry about are the future of incentives, infrastructure, and legislation encouraging the adoption of zero-emission vehicles, primarily electric cars. These...

EPA’s internal watchdog to check vulnerability to emission cheating

BMW M3 M Performance exhaustEven with a new leader apparently at odds with its mission, the Environmental Protection Agency continues to function on some level. On Thursday, EPA administrator Scott Pruitt said carbon dioxide released by human activity is not a major cause of climate change, directly contradicting the scientific consensus. The day before that, however, the...