EPA's relaxed NOx rule, as many expected, removes the warranty extension—and proposes annihilating the troublesome DEF derate ...

DEF is a key component in lowering pollutants emitted from diesel engines, helping to reduce harmful emissions. Long-haul truckers and diesel engine enthusiasts had to rethink their entire operations ...

For months, diesel truck owners have wondered whether the Trump administration would dramatically roll back EPA emissions ...

It’s been said that heavy-duty pickup truck owners who haul and tow frequently have diesel running through their veins. They crave diesel’s high torque at low rpms and extended driving range between ...

The long-awaited proposed changes in a set of EPA heavy-duty truck regulations that loosely is referred to as “the NoX rule,” ...

CAT-DEF, which stands for Catalyzed Diesel Exhaust Fluid, is an SwRI-developed catalyst- and surfactant-modified diesel exhaust fluid (DEF) solution. Today's diesel engines use selective catalytic ...

We may receive a commission on purchases made from links. With the Environmental Protection Agency enacting stricter diesel engine emissions restrictions in 2010 and Volkswagen infamously getting ...

This is part of FleetOwner's Fleets Explained, a Trucking 101 series to break down aspects of the trucking and fleet management industries. You can read more from the ...

Add Yahoo as a preferred source to see more of our stories on Google. Will the ability to stop using DEF sensors impact its consumption level? (Photo: Shutterstock) If a truck driver wants to save a ...

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 ...

SAN ANTONIO — May 4, 2022 — Southwest Research Institute (SwRI ®) demonstrated the effectiveness of its patented and award-winning CAT-DEF™ technology during the WCX™ World Congress Experience in ...