It's standard for older diesel engines to emit black smoke under full load, which occurs during "turbo lag." As the diesel engine waits for the turbo to spool, the machine will blow thicker black ...

Ward Diesel NO SMOKE Filter Systems offer exhaust filtration on scene, in the station — anywhere you need it.

If it’s hauling heavy loads daily and is going to be used for more than 200,000 miles before being replaced, a diesel is likely going to be less expensive in the long run.

Rolling coal is a term used to describe when a diesel engine is overfueled to the point that opaque black smoke comes out of the exhaust system. Diesel Power Editor KJ Jones describes it like this: ...

If your truck is equipped with a diesel particulate filter and/or selective catalystic reduction aftertreatment system, it's important to understand what they do, and why. Routine attention ...

Discovery’s “Diesel Brothers” have promised one heck of a ride for both fans and curious viewers. In an unlikely plot twist, custom vehicle builders Heavy D and Diesel Dave have partnered ...

If you need more capability than that F-150 you are driving, the next step is the Super Duty line of trucks from Ford. The F-250 is bigger, more capable and ready to work.

New Energy Innovation research finds electric truck costs have dropped rapidly, putting them on course to be cheaper than diesel much sooner than expected.

We hitch 10,000-pound trailers and test 4WD diesel pickupsthe most capable heavy-duty pickups around.