Facing Suit, EPA Seeks To OK CARB Clean Bus Rule Amid Possible Easing

Facing a lawsuit from environmentalists to compel EPA action, the agency is proposing to approve the California air board’s clean bus rules as part of its state implementation plan (SIP) to attain federal air standards, amid new indications by the board that it will consider relaxing the rules because of transit agencies’ dire financial situations. In an Oct. 14 notice of proposed rulemaking (NPRM) in the Federal Register , EPA proposes to approve a revision to California’s SIP “concerning particulate...