EPA poised to propose aircraft particulate limits

The White House Office of Management and Budget (OMB) has completed pre-publication review of EPA’s proposal to limit particulate matter (PM) emissions from aircraft engines in line with internationally-agreed standards, clearing the way for issuance of the proposal. According to OMB’s website, the proposed rule cleared review Dec. 6., the final step before publication in the Federal Register . The rule will implement PM emissions standards for commercial aircraft engines agreed in February 2019 by the United Nations International Civil...