EPA, California Renew Focus On Mobile Sources In New Ozone Agreement

EPA and California officials have quietly agreed on a joint plan for addressing persistently high ozone levels in the South Coast basin, with regulators pledging to take a series of actions to address emissions from aviation, locomotives, non-road engines, and ocean-going vessels, though environmentalists say many of the pledges are “vague.” At the same time, California air officials have withdrawn a proposed ozone state implementation plan (SIP) for the region to avoid EPA’s proposed rejection of the plan and implementation...