Today's news spans three types of powertrain. We recap the last two weeks of whirlwind Tesla news on video, explain our reasoning for writing about hydrogen fuel-cell cars, and delve into rumors of a four-seat Vollkswagen "XL2" diesel plug-in hybrid. All this and more on Green Car Reports.

The Renovo Coupe pairs an iconic design--think AC Cobra--with electric performance.

Following the lead of the 2015 Ford F-150 pickup, the next Lincoln Navigator is likely to get an aluminum body to help boost its fuel economy.

Catch up on the last two weeks of Tesla news with our roundup and video. (There's likely to be more Tesla news soon enough.)

The Volkswagen XL1 plug-in hybrid gets a huge amount of attention; VW may follow it up with a four-seat "XL2" model.

The first 2014 Mercedes-Benz B-Class Electric Drive was sold last month to a California buyer.

Here's why Green Car Reports writes about hydrogen fuel-cell cars.

Everything you need to know about Federal tax credits for plug-in cars.

Finally, the Ford Mustang may eventually get a 10-speed automatic transmission for added fuel efficiency.

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