Today on Green Car Reports: Nissan and Cummins unveil a Frontier diesel pickup concept at the 2014 Chicago Auto Show, an August electric-car gathering in California promises to be the world's largest, and a new study says carsharing is eating into new-car sales. All this and more on Green Car Reports.

A Nissan Frontier diesel pickup was unveiled at the 2014 Chicago Auto Show.

We've got live photos of the 2015 Kia Soul EV electric car from the Chicago show floor.

The Mahindra Reva Halo Indian electric sports car debuts in Delhi.

Carsharing eats into new-car sales, according to a new study.

The Citroen Cactus compact cuts mass and emissions.

A massive electric-car gathering will take place in California this August, but it's exclusively for all-electric cars. No Volts allowed.

The redesigned 2015 Subaru Legacy midsize sedan debuts at the Chicago Auto Show.

Finally, the 2015 BMW 3 Series eDrive plug-in hybrid sedan is spotted during testing.

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