While Audi’s marketing dollars are going to their TDI clean-diesel campaign, the German brand’s research and development dollars are going into their first all-electric vehicle: the Audi e-tron. The e-tron debuted as a concept car at the 2009 Frankfurt Motor Show and just a few months later Audi came to the L.A. Auto Show with its first drivable prototype. The German automaker invited Robb Report to experience the e-tron firsthand at a remote location off of Pacific Coast Highway—just a few miles north of the magazine’s Malibu headquarters. – From Robb Report