You’re going to have to do your research and maybe even set a customer up with an oil consumption test in your shop.

When you take your vehicle in for an oil change — or change you oil yourself if you're so inclined — you probably don't give much thought to what's in the fluid being drained. It might not occur to ...

API PC-12 engine oil categories CL-4 and FB-4 are advancing toward a 2027 launch. Here’s what the changes mean for fleets, ...

Hey everybody, welcome back. I'm Jason Cannon and my co-host on the other side as always is Matt Cole. Counterfeit aftermarket parts are parts that are either sold or advertised as something that they ...

January 1, 2027, will be the first license date for two new heavy-duty engine oil categories, if all goes as planned.

While everybody knows what the oil pump's job is and why it's there, few enthusiasts consider the lowly bubbler as a possible engine tuning resource. We've come to appreciate that it takes power to ...

Is there a way to have your engine oil tested to see how it is holding up or if it's right for your engine? I have the cheapest company stock put in, but sometimes I notice that certain oil is more ...

We may receive a commission on purchases made from links. Turbocharged engines are nothing new — the systems have been around since the late 1800s, first applied to airplane engines and eventually to ...