API PC-12 engine oil categories CL-4 and FB-4 are advancing toward a 2027 launch. Here’s what the changes mean for fleets, ...

January 1, 2027, will be the first license date for two new heavy-duty engine oil categories, if all goes as planned.

Preparing for EPA 2027? API’s new PC-12 spec (CL-4 and FB-4) introduces ultra-low viscosity 0W-20 oils and stricter emissions ...

Last year after working with auto manufacturers and others, API announced the approval of improved performance standards for engine oils which will provide greater protection and fuel efficiency for ...

Semi-synthetic motor oils use a combination of mineral and man-made oil, while synthetic blends tend to have fewer impurities ...

Every fleet owner should know the basics about the viscosity of the lubricants they are using and why the viscosity matters. Fleets—especially mixed ones—require a variety of lubricants. This ranges ...