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EPA moves to force engine makers to fix notoriously faulty diesel DEF systems, citing major savings for farmers
The U.S. Environmental Protection Agency is ramping up its pressure on engine makers to fix persistent persistent diesel exhaust fluid (DEF) system failures that have disrupted farming, trucking, and ...
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What Is DEF and How Does It Work?
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 ...
Diesel engines are known for several things. Power and torque are the biggest attractions, but there is another attribute that drivers like. They can rack up a lot of mileage without needing major ...
Increasingly stringent diesel engine exhaust emissions regulations have, over the past 20 years, reduced output of nitrogen oxides (NOx) by 95% and particulate emissions by 90% in heavy trucks. These ...
Modern medium- and heavy-duty trucks have sophisticated exhaust aftertreatment systems that can include a diesel oxidation catalyst (DOC), diesel particulate filter (DPF) and selective catalytic ...
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