It Grows On Trees: Audi: "Clean Diesel" Mops Up on Foreign Oil
Audi Ignores Easy Way to Promote Diesel
Clean diesel tech is Something to brag about – 2014 Audi Q7 Review – CarNewsCafe
AUDI Technologie Clean Diesel - YouTube
Audi brings clean diesel to luxury lineup
These Audi TDI "clean diesel" ads are coming back to bite the company
Audi Boss Promises More Diesels For U.S.
File:Audi Q7 3.0 TDI clean diesel 2967cc registered April 2012 (George Square).JPG - Wikimedia Commons
Audi Shows Off Their Clean Diesel Technology | Top Speed
Audi to introduce four new TDI® clean diesel models to the U.S. Market at the L.A. Auto Show - QuattroWorld
File:Audi Q7 3.0 TDI clean diesel front.JPG - Wikimedia Commons
Road Test: 2013 Audi A5 3.0 TDI Clean Diesel Quattro - GTspirit
Audi wants diesel option in most of its U.S. lineup by 2015
Audi Q7 by ABT Already Meets Euro 6 Standard - autoevolution
Audi A4 3.0 TDI clean diesel Attraction quattro tiptronic :: 1 photo and 11 specs :: autoviva.com
Used 2013 Audi A3 2.0 TDI Clean Diesel with S tronic for Sale in Duluth GA 30096 World Auto
2011 Audi Q7 TDI Clean-Diesel SUV: Quick Drive
2014 Audi A6 TDI Clean Diesel Review and Quick Spin | Autobytel.com
California rejects VW's plan to fix 3-liter diesel cars
Used Audi 2.0 TDI clean diesel quattro | 100 320 km | 190 hp (140 kW) | kvdcars.com
Audi Gets Snippy, Publishes Survey To Prove That Americans Want Diesels, Not Electric Cars
Car Report: The Audi A6 TDI — a diesel that still runs great - WTOP News
2014 Audi A6 TDI Clean Diesel - Original Advertisement Print Art Car Ad J625 | eBay
Clean Diesel Cars Garner 5 of the Top 10 Rankings On AAA's 2014 Green Car Guide - Fuels Market News
