As fleets weigh future NOx and CO₂ rules, Volvo Trucks North America’s Peter Voorhoeve offers a straightforward message.

Third-party laboratory testing has confirmed that the medium/heavy duty engine cylinder deactivation (CDA) technology developed by Jacobs Vehicle Systems improves fuel consumption by up to 5% while ...

Testing of a sophisticated cylinder deactivation technology on a Cummins engine showed a 74% reduction in nitrogen oxides (NOx) emissions. Cylinder deactivation is viewed as one of the main strategies ...

Jacobs Vehicle Systems has completed testing to quantify the fuel savings and emissions benefits of Jacobs’ Cylinder Deactivation (CDA) technology. Test results showed that CDA reduced fuel ...

Today’s launch of the Ultra Low Emission Zone (ULEZ) in central London is a welcome step on the road to cleaning up urban air quality but will not stop ‘dirty diesels’ from entering the capital ...

There’s a delicate balance when it comes to using diesel fuel to cook off NOx emissions to meet the California Air Resources Board’s tough 2027 nitrogen oxide (NOx) standard, but after plenty of ...

Q: Help! My car just flunked its smog test for too much nitrous oxide. It runs great. Any suggestions? A: Oxides of nitrogen are created in high quantity when your engine’s combustion temperature ...

For NOx reduction Options include: heaters, level indication, quality sensors, pickup and return lines, and pumps Custom and standard tank configurations available On road and off road applications - ...

Vehicle emissions testing will not resume until late August at the earliest because the state motor vehicles department and its contractor have been unable to agree on a restart plan within the 90-day ...