There are three key reasons why the transition to synthetic oils is occurring. They are the proliferation of smaller displacement turbocharged engines, escalating CAFE fuel economy requirements, and government regulations to lower tailpipe emissions.
Fast Lane Truck and Shell Rotella Torture Test Ram Rebel Engine
Shell Lubricants is introducing Shell Rotella Gas Truck full synthetic engine oil providing extreme protection for towing and hauling for gasoline-powered pickup trucks and SUVs. And it's been torture-tested to the extreme.