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 ...