Diesel exhaust fluid (DEF) is nothing new. GM’s Duramax-powered Chevrolet Silverado and GMC Sierra 2500HD and 3500HD pickups have had used the stuff since 2011. So has Ford’s F-Series Super Duty.

Refuelling and tending to a diesel engine can cause confusion among uninformed or inexperienced users. In addition to accidentally refilling the fuel tank with gasoline instead of diesel, some ...

Most diesel truck owners understand how to put diesel exhaust fluid (DEF) in their trucks. However, some make the mistake of getting DEF in their fuel tank instead of the dedicated DEF tank. As the ...

Long-haul truckers and diesel engine enthusiasts had to rethink their entire operations in 2010 when the Environmental Protection Agency mandated selective catalytic reduction technology. Selective ...