In an effort to keep you apprised of the latest industry news, we want to share an update on PC-11, the next API heavy duty engine oil service category proposed for 2016.

The proposed PC-11 category reflects the need for the following:

New U.S. fuel efficiency standards for heavy duty on-road trucks.
Replacement of current engine tests that are becoming obsolete.
Improvements in shear stability, thermal stability and biodiesel compatibility.

In addition, this new API service category will likely—for the first time—include a “fuel economy” SAE xW-30 with a low HTHS (high temperature/high shear) requirement.  As a result, there may be two versions of SAE xW-30 oil.

Read more in detail here pdf