The emissions system at the heart of the global Volkswagen diesel mess comprises many complex components, all of which have to work perfectly and consistently all the time, or the vehicle will fail to ...

Misfueling a gasoline car with diesel is one of those mistakes that goes from embarrassing to expensive in a matter of ...

Diesel has had a rough go of it during the last few years, but an increasingly commonplace technology is working to change the fuel's image and make diesel vehicles viable for the future. Kyle Hyatt ...

If you accidentally put diesel in a gas car, the damage can be quite severe. Fuel injectors, pumps, and the catalytic ...

The air filter setup on most diesels is the same as on gasoline-powered vehicles, with the filter located inside the cold air collector box located under the hood. You have to take one big precaution ...

A dual-fuel conversion system can offer some of the fuel- and emissions-saving benefits of a natural gas engine without going out and buying a brand-new truck. Recent changes in Environmental ...

Diesels require more stored energy for starting than gasoline vehicles do, especially on cold days. Instead of just using the battery to enable the starter to crank ...

When Arctic air settles in, drivers of diesel pickups and highway fleets learn quickly that not all fuels behave the same.

Increasingly stringent diesel engine exhaust emissions regulations have, over the past 20 years, reduced output of nitrogen oxides (NOx) by 95% and particulate emissions by 90% in heavy trucks. These ...

Jacobs Vehicle Systems has introduced Active Decompression Technology (ADT), which the company says enables heavy-duty commercial vehicles to benefit from an engine stop-start system and eliminating ...