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 ...

Engine oil is the lifeblood of an engine, directly influencing its longevity, efficiency, and performance. Yet many drivers ...

Diesel engine makers and truck OEMs will, within a few short years, expect motor oil to contribute to the mandated greenhouse-gas emissions (GHG) reduction and corresponding increase in miles per ...

Come December, you’ll see a new API oil classification with lower-viscosity parameters designed to be used in the next generation of fuel-efficient engines. In fact, you’ll see two different oil ...

FLEET OWNER learned today that on December 4th, the ASTM Heavy Duty Engine Oil Classification Panel met and unanimously voted in the tests and limits needed to establish the new API CI-4 oil-service ...

If you've ever bought a quart of motor oil for your vehicle, you've likely encountered the letters API somewhere on the label. In fairness, there are a lot of abbreviations, symbols and odd number ...

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 ...

For any vehicle, the most important factor in prolonging its usability and preserving its performance is regular maintenance ...

Delo 400 XSP SAE 15W-40 (Full Synthetic) with ISOSYN Advanced Technology is a mixed-fleet engine oil recommended for naturally aspirated and turbocharged four-stroke diesel engines and four-stroke ...