Turbochargers are wonderful things, taking waste energy and using it to help an engine to produce more power. The variable-geometry turbocharger is an advanced version of this technology, which brings ...

Turbochargers are one of the best methods for extracting more power out of an engine with less total displacement. Unlike a supercharger, which compresses air at the intake stage and runs off a belt ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Audi’s A5 sedan and Q5 SUV families—including the zippier S5 and ...

QUESTION:I inherited an ’01 Ford F-250 with 238,000 miles on it. The truck was used primarily to tow cattle and hay trailers. The 7.3L Power Stroke engine runs pretty good despite its fair share of ...

It's almost an epidemic: In the last two weeks, we've listened to three big automakers give thoughtful, detailed presentations about their current and future engine lineups. They're working their ...