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 ...

In the fall of 1989, the Audi 100 TDI marked the beginning of a new diesel era Innovations and technology trends in five million engines TDI Chronicle – an overview of all engines and technologies ...

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 ...

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 ...

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

In the world of performance, diesel power isn't something typically associated with it. We've seen it before, however, with models like the Mercedes-AMG C30 CDI, a short-lived model produced during ...

Dieselgate caused a huge shift in Audi’s strategy, with the German premium car manufacturer now fully committed to build only zero-emissions vehicles in the future. But things were way different in ...

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 ...

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 TT is one of the brand’s most recognizable cars and while this 2003 model may look normal from the outside, it is anything but. This Audi TT left the factory with a 1.8-liter turbocharged ...