Today on Green Car Reports: The Tesla Model S wins the wind-tunnel war, Mercedes-Benz will introduce three plug-in hybrids by the end of 2015, and our video road test of the 2014 Honda Accord Hybrid. All this and more on Green Car Reports.

BMW is the latest automaker to put its faith in the Chinese electric-car market, saying China will become the world's largest market for electric cars by 2019.

Audi shows off its electric turbocharger prototype, which promises to eradicate "turbo lag" and boost efficiency.

The aerodynamic Tesla Model S beats other slippery cars in a wind-tunnel comparison.

The 2014 Honda Accord Hybrid maintains the best qualities of this popular midsize sedan, but with far better fuel efficiency.

Mercedes-Benz will launch three plug-in hybrids by the end of 2015; we name them all.

The 2015 Hyundai Sonata is priced from $21,960, while details on the Sonata Hybrid will follow later.

Hyundai-Kia, Honda, and Toyota are the greenest carmakers in the U.S., but all are improving, according to the Union of Concerned Scientists.

Finally, McLaren hints that it's moving toward an all-hybrid lineup, likely thanks to some technological trickle-down from the P1 supercar.

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