You've probably already of brake fluid, engine oil or windshield washer fluid, but you've probably never heard of refilling or checking AdBlue or clean diesel fluid right? That is, of course, unless ...

Our Four Seasons Passat TDI's round-trip to the East Coast took a toll on its odometer. Before heading to the Empire State, we'd only racked up a little more than 16,000 miles. Upon its return, we'd ...

This is the kind of question where we'd better talk about terms before answering it. That's because AdBlue is a brand name for what folks in the United States usually call diesel exhaust fluid — aka ...

"You have power, you have energy, you have emissions: You get to choose two of them." That's the conundrum facing diesel-engine engineers, as summarized by Don Hillebrand, the director of energy ...

In efforts to keep diesel-fuelled engines on the right side of emissions laws, manufacturers are turning to more and more aggressive means of reducing the kind of bad stuff coming out of the tailpipe.

In response to the diesel emissions crisis, the VW board has announced a radical shift in its approach to diesel engines, at least for the U.S. and Europe. The VW board met early this week and has ...

This is, apparently, a common problem. The bit I don't get is if this is a problem for non VW engines or if it is only VW. I would serious suggest avoiding VW TDI Bluemotion: repair was £700 and VW ...

Diesel engines are disappearing from smaller cars and SUVs in the U.S. thanks to a series of emissions scandals since Dieselgate. But there are still plenty of heavy-duty pickups and larger trucks ...