With the racing pedigree provided by the Audi R18 E-Tron Quattro, you’d be forgiven for thinking that the German king of Le Mans is capitalizing on the connection between its road cars and race cars ...

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 ...

Audi’s diesel flagship should have been a big hit were it not for real world circumstances. This is where its value sits ...

Click for a high res gallery of the mileage marathon vehicles It’s been a few years since Audi sold diesel-powered cars in the U.S., but that’s about to change. After three years of showing what ...

Audi diesel did it again at Sebring this weekend. The redesigned 2007 Audi R10 TDI scored a win over tough competition in the 12 Hours at LeMans — the second win in a row for the R10 TDI and the ...

In Audi speak, S denotes models that are sportier than base cars, but not quite as extreme as range-topping RS models. While Audi has offered SQ5 and SQ7 SUVs with diesel engines in the past, it’s now ...

Diesel cars are making a splash in the U.S. market, and Audi is among the automakers working hard to make Americans forget how terrible the technology was in the 1980s. Diesel cars have a lot going ...

This summer, Audi development chief boss Ulrich Hackenberg revealed the company’s desire to beat its German rivals to market with a plug-in diesel. He said the A8 and Q7 would get a plug-in diesel ...

Audi is making a new fuel for internal combustion engines that has the potential to make a big dent when it comes to climate change – that's because the synthetic diesel is made from just water and ...

While the world waits for the Volkswagen Group to settle its differences with U.S. and state regulators over the German company’s falsification of the emissions of its diesel vehicles, which has ...

Audi is moving fast toward offering diesels in all its vehicles. Starting with 2014 models arriving at dealers now, the luxury brand of Volkswagen Group is making diesel engines an option in five of ...