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 ...

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

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 ...

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 ...

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 ...

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 ...