HERNDON, VA - Audi's been delivering diesel engines in passenger cars for 20 years now, and they're one of the few carmakers in the U.S. offering diesels in a luxury vehicle.
Audi Builds Online Hype for Clean Diesel
HERNDON, VA - Hoping to quash memories of 1970's-era diesel clatter with social media marketing, Audi has launched a pro-diesel campaign complete with viral video and a Facebook Cause.