TRUCKERS SAY CALIFORNIA DIESEL STANDARD WOULD SET HARMFUL PRECEDENT

An air board 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) issued a long-awaited report evaluating the Air Resources Board's authority to set transportation emissions standards that are stricter than the rest of the country. The report supports states' ability to...