Exhaust gas recirculation is a technique used to reduce nitrogen oxide emissions in both petrol and diesel engines. These 'EGR' systems are used in conjunction with other emissions control devices, ...

The Exhaust Gas Recirculation (EGR) valve sends some of the exhaust gas back into the cylinders to reduce combustion temperature. This is required because nitrous oxides (nasty pollutants) form when ...

Chrysler (FCA US, LLC) is recalling certain 2021 Dodge Durango, Jeep Grand Cherokee WK, 2022 Jeep Grand Cherokee, and 2021-2022 Jeep Grand Cherokee L vehicles equipped with 3.6L engines. The exhaust ...

Most diesel engines in the U.S. use a combination of technologies to reduce emissions. Usually there will be a diesel particulate filter (DPF), selective catalytic reduction (SCR) with urea (DEF fluid ...

Exhaust gas recirculation (EGR) coolers are critical components in modern diesel engines, designed to mitigate nitrogen oxide emissions while preserving engine efficiency. However, their performance ...

Controlling vehicle emissions in modern vehicles involves more than just bolting up a catalytic converter and calling it a day. There are other components that effectively, and intuitively, cut out ...

Chrysler (FCA US LLC) is recalling certain 2014-2019 Jeep Grand Cherokee vehicles equipped with the 3.0L EcoDiesel engines. The Exhaust Gas Recirculation (EGR) cooler may crack and allow pre-heated ...