Diesel engines have been around for more than half a century. Chances are that if you are around fleets or equipment, you have encountered a diesel engine. They have been described as the workhorses ...

PC-12 engine oil will change oil selection, drain intervals, and shop procedures as new heavy-duty categories arrive in 2027.

Diesel engines are known for their reliability, but that's only if proper routine maintenance is provided to the drivetrain to keep it running clean.

2027 heavy-duty engines are still a couple of years away. But the American Petroleum Institution is already hard at work on the next generation of oils that will lubricate them. New EPA 2027 emissions ...