Today, another diesel lawsuit, Tesla backpedals on Supercharging fees, how heat pumps work, and three years and 70,000 miles in a BMW i3 electric car. All this and more on Green Car Reports.

Yesterday, the U.S. Justice Department sued Fiat Chrysler over emission-related software used in the EcoDiesel V-6 engines in its Ram 1500 pickup truck and Jeep Grand Cherokee SUV.

Remember in November when Tesla said new owners wouldn't get free Supercharging? Well, the electric-car company has changed its mind—sort of—and we've got the details.

In Europe, cost parity for electric cars could arrive as soon as next year, according to a UBS study (the same one that estimated Chevy Bolt EV production cost).

Electric-car makers use heat pumps to cut the energy used for cabin heating; we explain how they work, and why they're likely to spread.

Our contributor Tom Moloughney has now driven his 2014 BMW i3 REx range-extended electric car for more than 70,000 miles over three years; he writes about the car's pros and cons.

Suppose you took a Volkswagen GTI hot hatch, and added an electric motor on the rear axle to give it all-wheel drive. VW has done just that for a tuner festival, and explains why.

Finally, are you planning to travel over the U.S. Memorial Day holiday weekend? AAA says traffic will hit new highs; don't say we didn't warn you.


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