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 ...

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 ...

The Environmental Protection Agency’s final rule on emissions from heavy-duty diesel engines, “Control of Air Pollution from New Motor Vehicles: Heavy-Duty Engine and Vehicle Standards,” was published ...

Vehicles that burn petrol or diesel emit a type of pollution called NOx, which is linked to most of the hundreds of annual deaths attributed to air pollution from vehicles. Real-world testing shows ...

Like natural gas, combusting hydrogen at high temperatures produces nitrogen oxide whose emissions need to be permitted by an environmental regulator and controlled. But hydrogen’s molecular makeup ...

The phagocyte NADPH oxidase (Phox) is a well-characterized enzyme that generates high levels of superoxide and secondary oxidants in phagocytes as part of the armoury of microbicidal mechanisms by ...

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 ...

A test method, based on parallel sample testing with exhaust fuel injection and certain test procedures, has been developed for diesel lean-NOx catalyst evaluation purposes. The results of the ...

Mitsui O.S.K. Lines, Ltd. announced plans to install the Selective catalytic Reduction (SCR) system — jointly developed by MOL, Yanmar Co., Ltd. (President: Takehito Yamaoka), and Namura Shipbuilding ...

Ranchi, May 6: Mecon has developed a system that monitors noxious nitrogen oxides in air, a breakthrough it achieved after two years of painstaking research. In the presence of senior company ...

The proposal makes the test biennial, and exempts newer vehicles. But the plan doesn't include testing for NOx gas. Motorists with newer cars in six counties, including Pinellas and Hillsborough, ...