TRUCKERS SAY CALIFORNIA DIESEL STANDARD WOULD SET HARMFUL PRECEDENT

A California request for a waiver from federal preemption over a state engine emissions standard is raising alarms among industry groups, who say the request is an unprecedented move that could force large numbers of trucks to comply nationwide. The controversy comes as the National Academy of Sciences (NAS) is preparing to issue a long-awaited report that will evaluate California's authority to set transportation emissions standards that are stricter than the rest of the country. The report will examine the...