Diesel engines have long gotten a bad rap in the U.S., but that's a tired story. We all know it, some of us even believe it, but so far not much of the U.S. populace has been exposed to a proper ...

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 ...

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 ...

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 ...

For the past year or so, Audi’s sportier interpretation of the Q5, the SQ5, has only been available with one engine, a gasoline-fueled 3.0-liter unit capable of generating 354 hp. On Wednesday, ...

Audi is betting big on diesel. For the 2014 model year the German automaker has introduced diesel engines to the 2014 A6, A7, A8, and Q5, with the ultimate goal of making diesel available across most ...

Audi has thrilled the diesel fanatics among us this afternoon, by announcing its intentions to show a whopping five TDI diesel-empowered vehicles (four new) at the upcoming LA Auto Show. TDI versions ...

Audi was just toying with us a couple of weeks ago when it announced TDI engines for the S4 without any cosmetic updates. Today, they came clean and revealed a full-on facelift, and we like what we ...

Typically, when people think of diesel engines, they think about torque. Compared to their regular gas-powered counterparts, diesel engines tend to have lower horsepower and higher torque figures.

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 nomenclature of engine power can get tricky. Brake horsepower, shaft horsepower, pound-feet (lb-ft), dynamometer ratings, revolutions per minute, engine load, and temperatures all play a part in ...