While “plus” often reflects marketing hype rather than any real extra capability, that is not the case for CI-4 PLUS. The latest engine oil classification enhancement from the American Petroleum ...

SAN RAMON, CA — Late last week the ASTM International’s Automotive Lubricants Subcommittee approved the new Proposed Category 11 (API CK-4 and API FA-4) specifications for the next generation of heavy ...

The diesel engine oil available for your fleet is about to undergo a major change. Two new oil categories, CK-4 and FA-4, have been announced by the American Petroleum Institute (API) and will replace ...

Various types of motor oil are on the market, each designed for a particular purpose. This article will help you choose the proper type of oil for your vehicle by explaining the significance of the ...

Shell's Dan Arcy examining engine components following teardown testing conducted two years ago as part of the company's PC-11 development process. (Photo by Sean Kilcarr/Fleet Owner) Dan Arcy, the ...

Demands on heavy-duty diesel engine oils have changed alongside engine technology and fuel formulations. “As engine technology and fuel technology have evolved, the environment in the crankcase has ...

SAN RAMON, Calif.--(BUSINESS WIRE)--Aug. 14, 2006--Owner operators and fleet maintenance managers are encouraged to sign up for Chevron's free API CJ-4 seminar at this year's Great American Trucking ...

Selecting the right engine oil can be challenging. Between the various different brands and the confusing numbers and oil classifications, you may feel overwhelmed while staring at hundreds of bottles ...

The “rules of the game” for next-gen engine oils, still set to hit the market late next year, should be fully defined in the coming months, says Chevron Delo’s Shawn Whitacre, giving oil makers like ...

We earn commissions from purchases you make using links in our articles. Learn more. Save time and money by changing your own oil. See the best conventional motor oils here. Shopping for engine oil ...