Jeffrey Harmening

Business, Fuel, Perspective

Opinion: Ensuring Quality of Diesel Exhaust Fluid Can Help Keep Trucks Running Smoothly

Fleet managers and truck drivers both need to understand that the quality of the diesel exhaust fluid (DEF) going into their vehicles is as important as the quality of the engine oils or fuels used in their vehicles.

Jeffrey Harmening | Team Lead, Diesel Exhaust Fluid, American Petroleum Institute
March 20, 2019