California Air Resources Board

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Age and BMI cutoffs, California's Truck and Bus Rule, truckers off work Hours of Service regulations and heavy-duty engine emissions are among the issues featured.

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Calif. agency to review truck upgrade rules

California Air Resources Board directed its staff to return to the board next April with a new provision.

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Consumer, safety and labor groups have petitioned a federal court for permission to pursue a third round of litigation to overturn the hours of service rule.

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