The run of diesel engine deregulation at the EPA continues. The agency has just released guidance that makes big changes when ...

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 ...

It may not be mainstream yet, but nitrous oxide is a great way to provide a performance boost for your street-driven or racing diesel truck. Tired of turbo lag and looking for a quick kick in the ...

BAE Systems is a multi-national company that says it has built HybriDrive electric powertrains for more than 3,500 transit buses in cities around the world, plus many thousands of straight diesel ...

A retrofit system that converts diesel engines to operate on 90% hydrogen has been prototyped and tested by University of South Wales (UNSW) researchers. This system drastically reduces emissions of ...

One company thinks it has the answer for truck operators that want to use natural gas but are concerned about range issues: a dual-fuel system that can be retrofitted to existing diesel engines.

The clearances inside diesel injection system parts are closer than those found in any other technology. The plungers and needle valves in injectors need to fit tightly to ensure precise metering and ...

Thursday, May 20, 2021, at 5 p.m. Eastern time, this live panel discussion and Q&A offered a variety of ways to combat owner-operators' maintenance issues related to the emissions control systems in ...

Switching from a gasoline engine to a diesel-powered setup is an enticing possibility, but it requires a lot more work than ...

Honda, the car maker that floored the world in the 1970s with the first gasoline engine to meet U.S. clean air guidelines without a catalytic converter, said it has developed a new and simple diesel ...

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 ...