The story behind BMW's unique quad-turbo diesel engine, its impressive performance, and how it stacked up against its rivals in the X5 M50d.

While studying traditional news journalism in college, Jake realized he was smitten by all things automotive and wound up with an internship at Car and Driver. That led to a career writing news, ...

Audi has been developing an electric turbocharger for several years and seems close to launching it on a production car. The new RS 5 TDI concept adds an e-turbo to its biturbo V6 to provide an ...

Joining GM-Opel’s all-new 1.6 liter turbo-charged SIDI engine as part of the Opel/GM small engine renaissance is an all-new 1.6 liter turbo diesel (CDTI) engine that delivers class-leading performance ...

We first heard Audi was working on an electrically-driven turbocharger back in 2012, but now the automaker has revealed an engine fitted with the technology in a new concept car. The concept is based ...

First availability of the 6.7-liter Cummins High-Output (HO) turbo diesel in the Ram Power Wagon with a best-in-class base ...

Audi just unveiled an electric twin-turbo diesel engine setup that it is currently testing which it says can give a “distinct boost in performance.” Specific details on the technology aren’t available ...

Back in 2012, BMW introduced the M550d and M50d versions of the 5 Series, X5, and X6. The N57 diesel in those models had a tri-turbo setup for tons of torque, translating to brisk acceleration off the ...

Audi has taken us on quite the roller coaster rive with the SQ5. At first, the though of a performance Q model sounded like a swell idea, but then we realized they were going to use a diesel engine, ...

I'm not a fan of the 2014 Volkswagen Jetta, but this TDI variant has been blessed with one heck of an engine and transmission combo. Antuan Goodwin Senior Writer, Electrified Cars Antuan started out ...

Midwest Diesel & Auto is one of several companies committed to unleashing the power potential of the 6.7L. The Central Illinois Power Stroke gurus recently brought an S300 turbo kit to market for 2011 ...