California Plans Tighter Trailer GHG Rules If EPA Softens Phase 2 Limits

California air board officials are detailing plans to tighten their greenhouse gas rules for model year 2018-2027 truck trailers operating in the state if EPA weakens or rescinds federal Phase 2 GHG standards for the vehicles that were adopted last year, or if pending litigation delays the rules, according to documents board staff released Aug. 30. Truck and trailer industry representatives may object to the California Air Resources Board's (CARB) new proposal, which at press time was being discussed at...