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 ...

Pennzoil has announced that their Long-Life Heavy Duty Engine Oil has passed the rigorous testing required to meet the newest oil classification for heavy duty diesel engines. The new CI-4 ...

Two new engine oil blends in development for over five years have been officially released on the trucking market: CK-4 and FA-4. The oils are the offspring of the Proposed Category 11, or PC-11, ...

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 ...

For two decades, we have seen a new API oil classification for on-highway heavy duty diesels every few years. Oil formulations had to change to meet the demands of diesel engines facing ...

WASHINGTON, Sept. 26 (UPI) --The American Petroleum Institute said proper classification of crude oil is essential when considering policies for safer rail transit. In May, API said a study published ...

The Railroad Commission of Texas has denied Pioneer Natural Resources' request to reclassify several oil wells as gas wells, citing concerns that the company was looking to take advantage of a tax ...

No matter whether you run car, motorcycle, boat, or airplane, one common fact binding all these vehicles is that their engines all need oil. An internal combustion engine running at speed is a violent ...