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 ...

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 ...

Your DPF system just failed again. The quote? Four grand to fix emission hardware that seems designed to break every 60,000 miles. But truckers have discovered a $500 solution that makes dealers sweat ...