Shell Lubricants has introduced Shell Rotella T Synthetic 5W-40 heavy-duty motor oil, which meets or exceeds API CJ-4 specifications.

Shell Rotella’s new Knowledge Hub helps fleets understand and prepare for the upcoming API PC-12 oil standards. PC-12 engine oils will improve durability, efficiency, and emissions performance for ...

A technician at Clarke Power Services in Greensboro, N.C., re-assembles one of the test engines so it can get back on the road. This graph of iron wear as determined by used oil analysis shows no ...

Competition in the world of business is a good thing for the consumer, right? It keeps prices down and forces innovation. Well, the motor oil space isn't as competitive as you might have thought. For ...

Diesel engines work under extreme heat, pressure, and soot, demanding oils with specialized additives, viscosity grades, and API certifications. Choosing the right oil isn’t just about brand ...