Audi Unveils Two New 3.0 V6 TDI Clean Diesel Engines - autoevolution
A pedestrian test-drives Audi's 'clean-diesel' luxury ride | Grist
These Audi TDI "clean diesel" ads are coming back to bite the company
Diesel's Not A Dirty Word, Say New Audi TDI Ads
Road Test: 2013 Audi A5 3.0 TDI Clean Diesel Quattro - GTspirit
Used Audi 2.0 TDI clean diesel quattro | 100 320 km | 190 hp (140 kW) | kvdcars.com
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
Audi Gets Snippy, Publishes Survey To Prove That Americans Want Diesels, Not Electric Cars
Audi A3 Sportback (8V) 2.0 TDI (184 Cv) clean diesel quattro S-tronic | TECHNICAL DATA ✓
Audi Aims To Burnish Green Brand With Its Own Clean Diesel
Audi Shows Off Their Clean Diesel Technology | Top Speed
It Grows On Trees: Audi: "Clean Diesel" Mops Up on Foreign Oil
Audi A7 TDI: Good, clean (diesel) luxury | Fortune
Audi brings clean diesel to luxury lineup
Audi Announces A3 2.0 TDI clean diesel for US market in 2010
Audi Q7 by ABT Already Meets Euro 6 Standard - autoevolution
2012 Audi A3 2.0 TDI Clean Diesel with S tronic 4 door Wagon | Broadmoor Motors Group
A general view during Audi's TDI Clean Diesel Technology dinner at... News Photo - Getty Images
Audi A4 3.0 TDI clean diesel Attraction quattro tiptronic :: 1 photo and 11 specs :: autoviva.com
2014 Audi A6 TDI Clean Diesel Review and Quick Spin | Autobytel.com
Audi to introduce four new TDI® clean diesel models to the U.S. Market at the L.A. Auto Show - QuattroWorld
Decided to buy a genuine Audi “TDI clean diesel” plate frame (for the irony). Looks amazing. : r/tdi
Efficient and clean: exhaust aftertreatment for gasoline and diesel engines | Audi MediaCenter
Clean Diesel Cars Garner 5 of the Top 10 Rankings On AAA's 2014 Green Car Guide - Fuels Market News
Audi Boss Promises More Diesels For U.S.
