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 ...

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 ...

The primary purpose of engine oil is to stop metal from touching metal. When metal surfaces come in contact, they grind together causing friction. That creates heat, stress and wear. Engine oil is ...

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 ...

Chevron Products Company announced that senior staff engineer Shawn Whitacre has been selected as the new chairman of the ASTM Heavy-Duty Engine Oil Classification Panel. Chevron Products Company ...

This story appears in the July 25 & August 1 print edition of Transport Topics. WASHINGTON — Shell Rotella has unveiled its new lineup of lubricating oils, products designed to maintain the ...

We may receive a commission on purchases made from links. If your vehicle is due for an oil change, the oil of choice is either synthetic or conventional motor oil. But if your car's odometer is over ...

Whenever new heavy-duty engine oils are launched to the public, it is the result of years of study, testing and development. Global researchers spend years working with scientists and engineers ...