We earn commissions from purchases you make using links in our articles. Learn more. Despite recent advancements in environmentally conscious electrified vehicles, most of the cars and trucks we drive ...

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 ...

While most of the early problems have been engineered out of the exhaust gas recirculation systems on today’s clean diesel engines, corroded coolers, stuck valves and other problems still plague ...

You're driving down the road and having a normal day behind the wheel of your car. You look down on the dashboard to check your gauges and speed, but you notice that a little orange "Check Engine" ...

LISLE, Ill. — It’s no secret that Navistar International had its share of EGR-related failures as it attempted to meet EPA10 emissions standards without the use of SCR exhaust aftertreatment. The ...

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 ...

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 ...

An EGR delete is seen by many as an easy way to improve performance and efficiency by removing the EGR (exhaust gas recirculation), which is a component that helps in reducing the NOx that is thrown ...

Plugged exhaust gas recirculation (EGR) coolers are the bane of every diesel pickup owner. These radiators plumbed into the intake system do their job at keeping the air we breathe healthier by ...

Both Mercedes-Benz diesel engines sold in Freightliner heavy- and medium-duty trucks will be fitted with cooled EGR to meet federal '04 emissions rules. The company also announced that it will ...