When it comes to reducing the nitrogen oxide (NOx) emissions of diesel-burning commercial vehicles, selective catalytic reduction (SCR) is firmly in place as today’s technology. And these systems are ...

Selective catalyst reduction (SCR) systems were introduced in 2010 in the United States to meet the NOx requirements. With an ...

SAN ANTONIO — May 4, 2022 — Southwest Research Institute (SwRI ®) demonstrated the effectiveness of its patented and award-winning CAT-DEF™ technology during the WCX™ World Congress Experience in ...

The two major problems of diesel emission control are the reduction of nitrogen oxides and particulates. This paper describes experimental investigations to achieve both a separation of soot particles ...

Remember the little Honda Civic CVCC? It arrived in an era when four-wheeled Hondas were a novelty and commercials showed a Civic driver in a filling station struggling to decide which fuel she'd buy ...

As a result of new and more stringent environmental regulations, the power industry faces a twofold challenge to significantly reduce sulfur dioxide (SO2) and other acid gases, mercury (Hg), ...

In 2019, Stage V emissions regulations will go into effect in Europe for non-road mobile machinery (NRMM) engines in the 25.5- to 751-hp power range. This next step — which will be the strictest in ...

IN HINDSIGHT, motorists (your correspondent especially) should have been more sceptical about Volkswagen’s claims for its small diesel cars. Of all carmakers, VW alone had seemingly pulled off the ...

These deposits severely limit low-temperature NOx conversion and increase fuel consumption as high-temperature engine operations are required to remove the deposits. SwRI's novel technology decreases ...