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particulate matter


EPA Retains Soot Standards; Drastic PM Reductions Already Achieved, Industry Says
emissions-carbon-dioxide

In a significant but controversial final action, the Environmental Protection Agency (EPA) on Dec. 7 retained its existing National Ambient Air Quality Standards (NAAQS) for both fine and coarse particulate…


EPA to Withdraw Federal Regional Haze Plan for Utah Based on New Analysis

Citing new technical information gleaned from a more modern modeling analysis, the Environmental Protection Agency (EPA) has proposed to withdraw a federal implementation plan (FIP) to control regional haze from…


IEA: World’s Power Sector Trails Others in Air Emissions

The world's power sector last year emitted a third of global sulfur dioxide (SO2) emissions, 14% of nitrogen oxides (NOx), and 5% of total particulate emissions (PM2.5), but those emission…