Independent laboratory testing reveals high levels of metal debris inside a new hybrid engine crankcase at 1,000 miles. Here ...

CCJ's 10 44 is brought to you by Chevron Delo, heavy duty diesel engine oil. Now there's even more reasons to choose Delo. An oil sample is only as good as the method used to pull it. You're watching ...

Oil and fluid testing answers both short- and long-term questions about the internal condition of engines, transmissions and hydraulic systems. A one-time sample of engine or transmission oil gives a ...

The frequency of oil changes for a semi truck will depend on a number of factors, including the type of fuel and the kind of ...

The test program studied the fuel efficiency potential of the engine oil. Testing followed the U.S. Environmental Protection Agency SmartWay Fuel Efficiency test protocol, which showed test results ...

Here’s a news update that should concern all automotive enthusiasts: the general engine oil landscape is evolving again, and as we explore the nuances of this new chemistry you will see that it is ...

A 3-time Chevy owner warns that his 2021 Silverado Z71 Texas Edition is burning oil rapidly at 75,000 miles. Despite showing ...