We've got a wide variety of stories today, including a panel of experts discussing the future of battery technology, a new TDI turbodiesel engine from Volkswagen, and changes to the 2014 Tesla Model S electric-car lineup. All this and more on Green Car Reports.

In an effort to simplify its assembly process and boost production, Tesla has streamlined the 2014 Model S electric-car lineup, eliminating several variants.

Should the focus of improved fuel efficiency be on trucks, not hybrids and other already-efficient green cars?

In the latest of a series of aggressive ads, a Lexus CT 200h spot slams the BMW i3 electric car.

Coca-Cola tests service vans retrofitted with hybrid powertrains for improved gas mileage.

See what a panel of auto-industry experts have to say about the future of batteries in this discussion video.

Volkswagen unveils a new 2.0-liter TDI diesel four-cylinder engine with 268 horsepower and an electric turbocharger.

Mercedes-Benz overhauls its nomenclature, including the names for its diesel, electric, and other green powertrains.

Finally, see what it's like behind the wheel of the 2015 Mercedes-Benz GLA45 AMG--a compact hot hatch masquerading as a crossover.


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