Audi has approved a number of new V6 and four-cylinder diesel engines to run on hydrotreated vegetable oil (HVO), derived from residues and waste materials from agriculture and the food industry. The ...

As Audi begins to roll out the A3 TDI to its U.S. dealers in the coming weeks and the diesel version of the Q7 takes an ever larger share of sales, it’s time to celebrate. This Fall marks the 20th ...

Audi, like the rest of the Volkswagen Group, is looking to become carbon neutral by 2050. That mostly means developing electric vehicles but it doesn’t preclude taking smaller, shorter-term steps to ...

The automotive community has a love-hate relationship with diesel engines. Volkswagen's Dieselgate scandal left a bitter ...

NECKARSULM, Germany - Audi is considering adding more engine configurations for its S-model performance vehicles, including more turbocharged and diesel engines. "The next generation of the S6 could ...

High-tech TDI engines that provide economy and performance sit at the heart of the Audi brand’s values and technological DNA. As Audi marks a quarter century since it debuted TDI, Calum MacRae takes a ...

When I first began talking with Audi about road-testing the company's new Q7 TDI clean diesel SUV on Road Trip 2009, I have to admit that I was more than a little bit suspicious of that term. "Clean ...

The Audi SQ5 Sportback TDI may not be to everyone's taste visually with its fake tailpipes, air intakes and sloping roofline. But its heavy diesel engine may be giving its impressive performance one ...