Currently there are no standards or limits for indoor air levels of nitrogen oxides; for reference, levels in homes without combustion appliances are typically half of outdoor levels, while homes with ...

Nitrogen emissions into the atmosphere consist mainly of ammonia (NH3) and nitrogen oxides (NOx). In 2022, they comprised 121 million kilograms of ammonia (mainly from agriculture) and 162 million ...

Increasingly stricter regulations on emissions from lean-burn engines, such as the Euro 7 standard, are approaching. This ...

The U.S. House of Representatives voted to overturn the EPA's approval of California's zero-emission truck plans and its ...

ORANGE, Texas — The Texas Commission on Environmental Quality has fined Entergy Texas, Inc. $11,875 for exceeding legal nitrogen oxide emission limits at its gas-fired power plant in Orange County.