Let’s explain all of those confusing numbers, letters and terms to help you choose the right oil for your car.

Oil futures settled higher Wednesday, finding support from overall weakness in U.S. dollar, as well as data from the Energy ...

Motor oil comes in a variety of forms, designated by pairs of numbers, but the most common two are 10W-30 and 10W-40. What's ...

There's a lot of information on the packaging for your engine's motor oil, but the S designation may be one of the most ...

Oil prices rose on Wednesday morning after the EIA reported a smaller than expected increase in crude oil inventories ...

Crude oil futures gained as a weekly addition in U.S. crude oil inventories was offset by a larger than expected drawdown in ...

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

Series’ 40-year legacy with a new 7.2L diesel engine, along with hyping its unmatched internal combustion offerings for work ...

Crude oil futures rebounded from Wednesday’s lows after the US offered some concessions on recent tariffs.