Today, we've got our updated Diesel Car Guide, first details on the 2016 Mercedes-Benz GLE 550e plug-in hybrid, and an explanation of why we're calling the 2016 Chevrolet Volt a plug-in hybrid and not an extended-range electric car. All this and more on Green Car Reports.

Check out the first images and details of the 2016 Mercedes-Benz GLE 550e plug-in hybrid SUV, which arrives in showrooms this fall.

Look for the 2016 Toyota RAV4 Hybrid at the 2015 New York Auto Show next week.

Electric-car batteries are already cheaper than previous predictions for the year 2020, a new study finds.

Find out which country powered itself using only renewable energy for 75 days.

Elon Musk is very proud of Tesla's updated charging-station-finding navigation feature, but see why it echoes the Better Place system from three years ago.

We've got specs for every 2015 and 2016-model-year diesel car and light truck in our updated Diesel Car Guide.

See why we're calling the 2016 Chevrolet Volt a plug-in hybrid.

Certain 2013 through 2015 Chevrolet Malibu sedans are being recalled to address a sunroof-switch glitch.

Finally, get an early glimpse at the 2016 Kia Optima ahead of its New York Auto Show debut.

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