At the Great American Agriculture Celebration on the White House South Lawn Friday, President Trump announced that the Environmental Protection Agency (EPA) has officially eliminated the requirement for Diesel Exhaust Fluid (DEF) sensors on diesel equipment. The move is designed to end years of mech anical failures and “limp mode” power reductions that have plagued the […] Trump Axes “Ridiculous” DEF Sensor Rules To Save Diesel Operators Billions ...read more read less