The U.S. Environmental Protection Agency (EPA) last week issued guidance that drops the requirement for Diesel Exhaust Fluid (DEF) sensors as part of a truck's aftertreatment system and allows truck ...

Don't let failing oxygen sensors compromise your engine's performance. O2 sensors are critical to emissions control on your car, SUV or truck. As the name implies, the O2 sensor (also called an ...

For diesel truck owners operating in off-road or closed-course environments where emissions regulations do not apply, upgrading with a 6.7 Cummins delete kit can be one of the most effective ways to ...