The 2013 Nissan Leaf

What's holding back the electric car market in the U.S.

Three and a half years after modern electric cars entered the mass market, there are now no fewer than 17 models on sale in the U.S. But only three of them are widely available nationwide.

Two Tesla Model S cars on a cross-country rally drive.

3 reasons why Tesla can scale where others have failed

Tesla rocked the automotive world last month with news that it plans to build a 5 GW lithium ion battery plant in the United States. That’s huge: 5 GW is equivalent to all of the world’s current battery production, so, Tesla will basically double global battery manufacturing.

Toyota's concept hydrogen fuel cell car, the FCV-R.

Why California pushes hydrogen compliance cars over electric ones

Under a complex set of rules specifying how much credit automakers receive for each emission-free car they put on the road, hydrogen-powered vehicles earn more points for range and speed of refueling than do battery-electric cars.