INDUSTRY RAISES FEDERAL PREEMPTION CONCERNS OVER LOCAL RAIL IDLING RULE

The railroad industry may sue over a California air district's new rule to target locomotive idling, arguing the entire field of rail transportation regulation is preempted by the Clean Air Act and federal law governing railroads. The rule could serve as a model for states and local air districts looking to reduce diesel pollution from trains immediately, instead of waiting for EPA to issue a rule long in development that would not address train emissions until 2011, activist and state...