A federal grand jury for the Eastern District of Washington has just returned an indictment charging four men in a scheme in which millions of emissions defeat devices were illegally imported to the ...

A few days ago, the EPA announced that diesel emissions defeat devices were no longer its top priority, moving instead toward harsher regulation on PFAS (“forever chemicals”) and other environmental ...

Another day, another headline about the Environmental Protection Agency nailing a diesel truck tuner over emissions defeat devices. In this case, it was actually a group of four business owners who ...

Starting in 2008, new diesel trucks were required by the EPA to include an EGR (exhaust gas recirculation system), which routes exhaust back into the combustion chamber to reduce temperatures, a DPF ...