Hot exhaust gases flow out of the engine and into the SCR system where aqueous urea (known as Diesel Exhaust Fluid, or DEF) is sprayed onto a special catalyst. The DEF sets off a …

As exhaust and reductant pass over the SCR catalyst, chemical reactions occur that reduce NOx emissions. SCR systems can reduce NOx emissions by 75 to 90%, Hydrocarbon (HC) …

Diesel engines have dramatically evolved since their invention nearly 150 years ago. Today’s advanced diesel technology is a three-part system that includes engines with optimized …

Dual dosing SCR systems bring the SCR closer to the engine to take advantage of the available heat, using a known technology with flexibility in packaging and potential for passive …

A next generation three-way catalyst that achieves faster light-off and emissions performance while also achieving a 39% reduction in the use of platinum group materials (PGM) has been …

Today's Trucking Editorial Director James Menzies recently discussed emissions regulations with ETF's Executive Director.

2024年11月11日 · “Internal combustion engines, those powered by gasoline, diesel, natural gas and propane, really are key to our current economy, and we see them...

2025年1月10日 · "With a new administration and thousands of new policymakers in Washington, D.C., and the states, we’ll have to talk about the benefits and...

Internal combustion engines and the fuels that they use were the topic of Alan Adler's recent interview with ETF's Executive Director Allen Schaeffer.

2025年1月8日 · From the great plains to the Northeast, Mother Nature ushers in this January of a new year with a stormbringing record low temperatures and heavy snow...