The ABCs of DEF
Everything you need to know about diesel exhaust fluid
By Paul Abelson
A new set of initials has entered trucking’s vocabulary. DEF (Diesel Exhaust Fluid) is being sold at truckstops and dealerships all across the country. Little has generated so many questions as this new product, so here are some answers. Why do we need DEF? Actually, most of us don’t, at least not immediately. DEF is […]
