EPA is working to weaken truck emissions regulations this year: It is likely reducing Heavy-Duty NOx warranty requirements ...

The "good neighbor plan" targets NOx emissions from power plants and industrial facilities that forms smog downwind, often across state lines. The U.S. Environmental Protection Agency released the ...

Certain vehicles now face tougher emissions checks under updated federal rules, and that could affect […] ...

EPA27 mandates a significant reduction in NOx emissions for heavy-duty trucks starting in 2027, with costs potentially increasing by over $20,000 per vehicle. The EPA is currently reevaluating the ...

The Cross-State Air Pollution Rule (CSAPR) was stayed in December 2011 and vacated on Aug. 21, 2012. The regulation that CSAPR was intended to replace, the Clean Air Interstate Rule (CAIR), has been ...

The U.S. Environmental Protection Agency (EPA) announced its final Good Neighbor Plan, a rule that it said will cut nitrogen oxide (NOx) emissions from power plants and other industrial facilities in ...

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 ...

Modern diesel engine development has increased engine efficiency and decreased NOx and particulate matter emissions. This ...

The U.S. Environmental Protection Agency has issued a waiver to the California Air Resources Board allowing the state to implement and enforce its Omnibus low-NOx emissions regulation for heavy-duty ...

The increasingly stringent emission requirements put in place by authorities and communities around the country require boiler and turbine operators to reevaluate their emission strategies. Small and ...