So now we know why Cummins-engine-using Volvo Trucks and the EPA Deep Staters (DEEPA?) in its Michigan emissions lab didn’t want to test Cummins engines against glider engines.
So now we know why Cummins-engine-using Volvo Trucks and the EPA Deep Staters (DEEPA?) in its Michigan emissions lab didn’t want to test Cummins engines against glider engines.