Shell Lubricants has introduced a new portfolio of Shell Rotella heavy-duty diesel engine oils. Shell says its Rotella T4 Triple Protection 15W-40 and 10W-30, along with Shell Rotella T5 Synthetic ...

Years of work in the lab and millions of miles of road testing has culminated in three new Rotella engine oils formulated to meet the API CK-4 and FA-4 oil-service categories that will start ...

Shell asserted that API’s position had “evolved.” In 2016, API opposed new regulations by the Obama EPA while Shell supported the standards.