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 ...

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 ...

Audi will launch its North American diesel offensive with the Q7 3.0 TDI arriving next January and the A4 3.0 TDI that will follow within a year (VW's Touareg twin will get the new V-6 as well).

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 ...