Engine oil is an absolutely crucial item for any car, regardless if it's diesel or gasoline. Is it normal for the oil in diesel engines to turn black?

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 ...

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 ...

It's easy for the uninitiated to think that oil is oil, no matter what type of engine it's going into. After all, it's only meant to lubricate the internal components of an engine. Well, all oils ...

Following a series of high-level technical reviews, the API Lubricants Standards Group (LSG) has greenlit three critical actions that effectively solidify the framework for the new categories: While ...

PC-12 oil development begins with OEM demand and moves through API and industry panels to define a new diesel engine oil ...

The thinner in oil is the easier it pumps through the engine, which leads to a fuel economy improvement. We can all understand that, but there's a lot more to oil viscosity than how thick it is. I ...