EPA Adopts Status-Quo PM Emissions Standards For Aircraft Engines

EPA has finalized its rule adopting internationally agreed-upon fine particle standards for aircraft engines at levels already achieved by industry, rejecting environmentalists’ arguments that it has a statutory duty to issue tougher limits and setting the stage for another likely legal fight similar to that seen over the agency’s greenhouse gas limits for aircraft. In the final rule signed by Administrator Michael Regan Nov. 14, EPA sets a series of limits on particulate matter (PM) from new and in-production engines...