If You Read One Thing Today, Make Sure It's This SEMA Document on the EPA and Diesel Defeat Devices From the SEMA Washington, D.C., office Recent actions by the United States Environmental Protection Agency (EPA) have generated headlines and misinformation among automotive enthusiasts, particularly about defeat devices used to skirt emissions ...

Jan 17, 2025 · Maybe you understand why all this sounds like a major win for someone in the diesel aftermarket. But SEMA’s head of emissions Dean Schlingmann strongly warns against making rash decisions.

SEMA was successful in getting aftermarket defeat devices off EPA’s list of its top priorities for enforcement in 2023. It’s critical that the industry bolster this progress by halting action that might land us back at the top of that enforcement list.

SEMA is in full swing and the quickest eighth-mile diesel in the world is parked at the Hot Shot’s Secret booth (Central Hall, booth number 20221) in Vegas. The Pro Mod S10 is wearing small tires—the same rubber that allowed the D&J Cummins-powered truck to run the first 3-second pass in diesel history at February’s Lights Out event last ...

Jan 15, 2025 · Highlights of SEMA 2024 through the eyes of a diesel truck enthusiast. From groundbreaking custom builds like Firepunk Diesel's.

Nov 5, 2021 · The 2021 SEMA Show's collection of diesel trucks on display truly runs the gamut from old to new, and subtle to outrageous. Enjoy the following gallery of custom rigs.

May 31, 2022 · A description of emissions formation in diesel engines ; Overview of functions of the Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF) and Selective Catalytic Reduction (SCR) aftertreatment devices

Nov 1, 2024 · Check out these five new products from the 2024 Sema Show. From engine maintenance to accessories, these products enhance diesel ownership.

Jan 7, 2019 · Lifted trucks are always a staple of the diesel market at SEMA, and this year didn’t disappoint. We spotted everything from functional off-road vehicles like chase trucks, to enormous show trucks, to trailer-hauling monsters.

Nov 9, 2021 · The best diesel engine builds we found at the 2021 SEMA Show are mechanical works of art that we're certain make multiple thousands of horsepower and pound-feet of torque. Big turbochargers ...