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 ...

Clean Diesel Technologies announced that the California Air Resources Board has issued an executive order allowing CDTi to advertise, sell and install its Purifilter EGR diesel particulate filter ...

Is your diesel truck struggling with poor engine performance, sluggish acceleration or reduced fuel economy? You might have a problem with your exhaust gas recirculation system. That might seem like a ...