Today we detail the 2016 Chevrolet Volt powertrain, look at new guidelines for EPA fuel-economy testing, and update the saga of the Mazda 6 diesel sedan. All this and more on Green Car Reports.

Fisker Automotive will be renamed Elux, but won't put the Karma sedan back on sale until next year at the earliest.

The EPA issues new fuel-economy testing guidelines that it hopes prevent future scandals like the ones that recently occurred with Ford, Hyundai, and Kia models.

Ford hikes cash incentives on the 2014 C-Max Hybrid and C-Max Energi plug-in hybrid.

The Mazda 6 diesel sedan is still on tap, but it won't go on sale until performance is deemed suitable, the company's North American CEO says. 

See how the 2016 Chevrolet Volt extended-range electric powertrain works with this walkthrough.

Check out the new plan that predicts over 10,000 hydrogen fuel-cell vehicles will be on Northeastern roads in 10 years.

Certain 2013 through 2015 model-year E400 Hybrid sedans are part of a large Mercedes-Benz recall related to a potential fire hazard.

Finally, some spy shots of the 2017 Porsche Panamera, which will continue to be offered as a plug-in hybrid.


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