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By increasing drain intervals by up to 25,000 miles, fleet operators can realize improved vehicle uptime and lower total cost of ownership, Valvoline said at a March 15 press conference.

Preparations for the introduction of PC-12 category engine oils are complete, according to the American Petroleum Institute, an engine oil manufacturer and a truck maker.

As the trucking industry moves toward the next generation of diesel engines, the introduction of new oils designed to further enhance fuel efficiency also is on the horizon.

A change to Mobil Delvac™ Extreme FE 10W-30 FA-4 diesel engine oil made the team’s car haulers more efficient, needing only one oil change during race season and saving nearly 900 gallons of diesel fuel. 

PC-12 will replace the current API CK-4 and FA-4 engine oils, but there are still hurdles ahead of the finish line.

The Environmental Protection Agency's Clean Trucks Plan, to take effect by 2027, is targeting a 75% reduction in nitrogen oxide.

The saying “Time flies when you’re having fun” could likely apply to developing new engine oils. And some time has passed since the last diesel engine oil category was introduced in 2017 when the American Petroleum Institute (API) announced CK-4 and FA-4.

As the trucking industry explores zero-emission technologies such as battery-­electric and hydrogen fuel cell vehicles, heavy-duty engine oil suppliers are applying less conspicuous methods of curbing airborne particulate matter and carbon emissions.

Valvoline Inc. launched the second iteration of its heavy-duty engine oil first released in 2018 — Valvoline Premium Blue One Solution Gen2.

As engine oil suppliers develop new formulations to protect diesel engines and enhance their efficiency, some are paying particularly close attention to the performance of exhaust aftertreatment systems.