Over the past four years, the Environmental Protection Agency has tightened restrictions on a host of pollutants and pollution sources, ranging from tougher tailpipe emissions standards for all ...

NOx pollution occurs when nitrogen oxides are released as a gas into the atmosphere during the high-temperature combustion of fossil fuels. These nitrogen oxides consist mainly of two molecules, ...

Even pristine forests can contribute to air pollution. In fact, researchers now say that northern pine forests exude a family of nitrogen oxides and do so in quantities that may rival those produced ...

"Nitrogen oxides emissions: Traffic dramatically underestimated as major polluter." ScienceDaily. www.sciencedaily.com / releases / 2017 / 05 / 170531094838.htm (accessed March 2, 2026).

Recent advances in environmental technology have spurred the development of integrated biological and chemical processes to mitigate nitrogen oxides (NOx) emissions from flue gas. These processes ...

A research team has developed a new strategy to improve catalysts used to remove nitrogen oxides from industrial emissions. By using ethanol during catalyst preparation, the scientists significantly ...