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 ...

Modern internal combustion engines — including those that run on diesel fuel — require a lot of special parts and systems to prevent dumping excess emissions into the atmosphere. Not only are those ...

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 ...

Your engine’s manifold absolute pressure (MAP) sensor is your little buddy. Buried somewhere in the stream of your charged intake air (usually in the manifold), it employs a little ceramic or silicone ...

In the diesel performance world, Ford 6.0L Power Stroke engines have a bad reputation for blowing head gaskets and sticking EGR valves when owners modify them. There are a number of reasons why people ...

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, ...