API's latest service standards are SP for gasoline engines and CK-4 for diesels. These letters are based on a group of laboratory and engine tests that determine the oil’s ability to protect the ...

An oil change is a great starter task for anyone learning about car maintenance, but picking the right oil to is just as ...

On the front of the bottle, there should be an API certification starburst, telling you that the oil has been certified for use in gasoline engines by the American Petroleum Institute. On the back ...

If you’ve been to a dealership recently, or even browsed online some, you know just how expensive a new truck is these ...

While mower maintenance is infrequent, it’s also important to do properly—starting with the correct type of oil for lawn ...

The B6.7 Octane has diesel power characteristics—up to 300 horsepower and 660 pound-feet of torque—but it runs on gasoline.

The price of a barrel of West Texas Intermediate, the benchmark used for US crude oil, is at $66.71, down 11% from the day after Trump took office. Gasoline prices haven’t fallen as fast ...

Kenworth will start taking orders this year for Cummins’ first gasoline-powered engine, the B6.7 Octane, in its Class 5 to 7 ...