Audi brings clean diesel to luxury lineup
U.S. federal consumer watchdog sues Volkswagen over false 'Clean Diesel' advertising claims - National | Globalnews.ca
Audi unveils new 3.0-litre Clean Diesel engine | Autocar India
2015 Audi A7 TDI Clean Diesel Test Drive Review | AutoTrader.ca
Abt Audi Q7 3.0 TDI Clean Diesel | CAR ENGINE AND SPORT
2014 Audi A6 TDI Clean Diesel Review and Quick Spin | Autobytel
Car Report: The Audi A6 TDI — a diesel that still runs great - WTOP News
First Drive: Audi A3 TDI Clean Diesel Hatchback
2014 Audi Q5 TDI Diesel Crossover: Fuel Economy Test
Audi Clean Diesel DPF (by www.caroto.gr) - YouTube
Learn more about Audi TDI® Clean Diesel | Audi San Francisco
Audi To Launch Super Clean Diesel Units In Europe & USA From 2008 | Carscoops
Audi predstavio novu generaciju V6 3.0L TDI Clean Diesel motora | CARLANDER
A Bold New Chapter for Audi Clean Diesel TDI - QuattroWorld
Efficient and clean: exhaust aftertreatment for gasoline and diesel engines | Audi MediaCenter
Audi to introduce four new TDI® clean diesel models to the U.S. Market at the L.A. Auto Show - QuattroWorld
Audi A3 TDI Clean Diesel (2012) - picture 5 of 13
Audi Ignores Easy Way to Promote Diesel
Audi Builds Online Hype for Clean Diesel | WIRED
2014 Audi A6 TDI Clean Diesel - Original Advertisement Print Art Car Ad J625 | eBay
Volkswagen emissions scandal - Wikipedia
Audi A6 3.0 TDI Clean Diesel quattro S-Line – Auto Turtle
File:Audi Q7 3.0 TDI clean diesel front.JPG - Wikimedia Commons
Audi Aims To Burnish Green Brand With Its Own Clean Diesel
