Not all braking systems on semis have to be loud to be effective. Exhaust brakes make a fraction of the noise that compression brakes do, here's how they work.

Are you thinking about doing an EGR delete on your truck? Before you do, it's important to know the legal and performance ...

EGR works by circulating cooled exhaust gas back into the engine air intake. This lowers combustion temperature and reduces formation of nitrogen oxide (NOx). The 2007 EPA requirements call for ...

EGR solution EGR will help reduce the ME-GA’s methane slip by 30 to 50%, while lowering specific gas consumption by around 3% and specific fuel-oil consumption in diesel mode by 5%.

SAE 2010: Next-gen Ford Ecoboost engines to get even closer to diesel with cooled EGR Over the course of 2010, Ford plans to aggressively ramp up its Ecoboost engine strategy with two new four ...

Previous studies have indicated that multiple injections with EGR can provide substantial simultaneous reductions in emissions of particulate and NOx from heavy-duty diesel engines, but careful ...