Today, we have a video road test comparing the 2016 Toyota Prius and 2016 Chevrolet Volt, Porsche confirms that it will build the Mission E electric car, and government officials from around the world commit to massively reducing automotive emissions as part of the International ZEV Alliance. All this and more on Green Car Reports.

See how the 2016 Toyota Prius and 2016 Chevrolet Volt compare in our video road test.

For a few days, Beijing smog was so bad that drivers had to use headlights at noon, and levels registered 587 on a scale of 500.

Porsche confirms that it will build the Mission E electric car by the end of the decade.

We made a necessary correction in our coverage of a major discount on the Nissan Leaf in northern Colorado.

One downside of high gas mileage? "Disappearing" spare tires, argues AAA.

Plug-in electric car sales for November show strong results for the Chevy Volt, and a decline for the Nissan Leaf and BMW i3.

Fiat Chrysler Automobiles spends $40 million to convert parts-hauling trucks to natural gas.

Could every car in your state by emission-free by 2050? A new International ZEV Alliance plans to make that happen, in certain areas.

While other German automakers plan new all-electric cars, Mercedes-Benz says it is in little hurry to launch any more of its own.

Fiat Chrysler chief Sergio Marchionne gives up on his plans for a merger with General Motors. At least, for now.

Finally, the 2016 Buick Envision compact crossover is coming to the U.S. next summer. It will be built in China.

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