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 ...

There's a new head of the committee developing the new heavy-duty engine oil classification, known currently as PC-11 for proposed category 11. HDT talked to Shawn Whitacre to find out what fleets ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

You may recall the article entitled "The Slippery Truth About Oil" from the June '06 issue of HPP (also available at www.highperformancepontiac.com). In it, we discussed the negative effects some ...