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Scenes from the 2017 National Truck Driving Championships and Step Van Driving Championships from the Orange County Convention Center in Orlando, Fla., Aug. 9-12, 2017.

Scenes from the 2017 National Truck Driving Championships and Step Van Driving Championships from the Orange County Convention Center in Orlando, Fla., Aug. 9-12, 2017.

Scenes from the 2017 National Truck Driving Championships and Step Van Driving Championships from the Orange County Convention Center in Orlando, Fla., Aug. 9-12, 2017.

Scenes from the 2017 National Truck Driving Championships and Step Van Driving Championships from the Orange County Convention Center in Orlando, Fla., Aug. 9-12, 2017.

Scenes from the 2017 National Truck Driving Championships and Step Van Driving Championships from the Orange County Convention Center in Orlando, Fla., Aug. 9-12, 2017.

Scenes from the 2017 National Truck Driving Championships and Step Van Driving Championships from the Orange County Convention Center in Orlando, Fla., Aug. 9-12, 2017.

Scenes from the 2017 National Truck Driving Championships and Step Van Driving Championships from the Orange County Convention Center in Orlando, Fla., Aug. 9-12, 2017.

Scenes from the 2017 National Truck Driving Championships and Step Van Driving Championships from the Orange County Convention Center in Orlando, Fla., Aug. 9-12, 2017.

Scenes from the 2017 National Truck Driving Championships and Step Van Driving Championships from the Orange County Convention Center in Orlando, Fla., Aug. 9-12, 2017.

Scenes from the 2017 National Truck Driving Championships and Step Van Driving Championships from the Orange County Convention Center in Orlando, Fla., Aug. 9-12, 2017.

Scenes from the 2017 National Truck Driving Championships and Step Van Driving Championships from the Orange County Convention Center in Orlando, Fla., Aug. 9-12, 2017.

Scenes from the 2017 National Truck Driving Championships and Step Van Driving Championships from the Orange County Convention Center in Orlando, Fla., Aug. 9-12, 2017.

Scenes from the 2017 National Truck Driving Championships and Step Van Driving Championships from the Orange County Convention Center in Orlando, Fla., Aug. 9-12, 2017.

Scenes from the 2017 National Truck Driving Championships and Step Van Driving Championships from the Orange County Convention Center in Orlando, Fla., Aug. 9-12, 2017.

Scenes from the 2017 National Truck Driving Championships and Step Van Driving Championships from the Orange County Convention Center in Orlando, Fla., Aug. 9-12, 2017.

Scenes from the 2017 National Truck Driving Championships and Step Van Driving Championships from the Orange County Convention Center in Orlando, Fla., Aug. 9-12, 2017.

Scenes from the 2017 National Truck Driving Championships and Step Van Driving Championships from the Orange County Convention Center in Orlando, Fla., Aug. 9-12, 2017.

Scenes from the 2017 National Truck Driving Championships and Step Van Driving Championships from the Orange County Convention Center in Orlando, Fla., Aug. 9-12, 2017.

Scenes from the 2017 National Truck Driving Championships and Step Van Driving Championships from the Orange County Convention Center in Orlando, Fla., Aug. 9-12, 2017.

Scenes from the 2017 National Truck Driving Championships and Step Van Driving Championships from the Orange County Convention Center in Orlando, Fla., Aug. 9-12, 2017.

Scenes from the 2017 National Truck Driving Championships and Step Van Driving Championships from the Orange County Convention Center in Orlando, Fla., Aug. 9-12, 2017.

Scenes from the 2017 National Truck Driving Championships and Step Van Driving Championships from the Orange County Convention Center in Orlando, Fla., Aug. 9-12, 2017.

American Trucking Associations President Chris Spear welcomes competitors at the Breakfast of Champions on Aug. 10, 2017, during the 2017 National Truck Driving Championships and Step Van Driving Championships at the Orange County Convention Center in Orlando, Fla..

Astronaut and author Col. Mike Mullane addresses participants at the Breakfast of Champions on Aug. 10, during the 2017 National Truck Driving Championships and Step Van Driving Championships at the Orange County Convention Center in Orlando, Fla.

Scenes from the 2017 National Truck Driving Championships and Step Van Driving Championships at the Orange County Convention Center in Orlando, Fla., Aug. 9-12.

Scenes from the first day of competition on Aug. 10, 2017, at the National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from the first day of competition on Aug. 10, 2017, at the National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from the first day of competition on Aug. 10, 2017, at the National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from the first day of competition on Aug. 10, 2017, at the National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from the first day of competition on Aug. 10, 2017, at the National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from the first day of competition on Aug. 10, 2017, at the National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from the first day of competition on Aug. 10, 2017, at the National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from the first day of competition on Aug. 10, 2017, at the National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from the first day of competition on Aug. 10, 2017, at the National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from Day One competition at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from Day One competition at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from Day One competition at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from Day One competition at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from Day One competition at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from Day One competition at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from Day One competition at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from Day One competition at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from Day One competition at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from Day One competition at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from Day One competition at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from Day One competition at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from Day One competition at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from Day One competition at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from Day One competition at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from Day One competition at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from Day One competition at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from Day One competition at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from Day One competition at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from Day One competition at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from Day One competition at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from the second day of competition, Aug. 11, 2017, at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from the second day of competition, Aug. 11, 2017, at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from the second day of competition, Aug. 11, 2017, at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from the second day of competition, Aug. 11, 2017, at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from the second day of competition, Aug. 11, 2017, at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from the second day of competition, Aug. 11, 2017, at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from the second day of competition, Aug. 11, 2017, at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from the second day of competition, Aug. 11, 2017, at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from the second day of competition, Aug. 11, 2017, at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from the second day of competition, Aug. 11, 2017, at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from the second day of competition, Aug. 11, 2017, at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from the second day of competition, Aug. 11, at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from the second day of competition, Aug. 11, at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from the second day of competition, Aug. 11, at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from the second day of competition, Aug. 11, at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from the second day of competition, Aug. 11, at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from the second day of competition, Aug. 11, at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from the second day of competition, Aug. 11, at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from the second day of competition, Aug. 11, at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla.

Scenes from the Aug. 12, 2017, final day of competition at the 2017 National Truck Driving Championships and Step Van Driving Championships at the Orange County Convention Center in Orlando, Fla.

Scenes from the Aug. 12, 2017, final day of competition at the 2017 National Truck Driving Championships and Step Van Driving Championships at the Orange County Convention Center in Orlando, Fla.

Scenes from the Aug. 12, 2017, final day of competition at the 2017 National Truck Driving Championships and Step Van Driving Championships at the Orange County Convention Center in Orlando, Fla.

Scenes from the Aug. 12, 2017, final day of competition at the 2017 National Truck Driving Championships and Step Van Driving Championships at the Orange County Convention Center in Orlando, Fla.

Scenes from the Aug. 12, 2017, final day of competition at the 2017 National Truck Driving Championships and Step Van Driving Championships at the Orange County Convention Center in Orlando, Fla.

Scenes from the Aug. 12, 2017, final day of competition at the 2017 National Truck Driving Championships and Step Van Driving Championships at the Orange County Convention Center in Orlando, Fla.

Scenes from the Aug. 12, 2017, final day of competition at the 2017 National Truck Driving Championships and Step Van Driving Championships at the Orange County Convention Center in Orlando, Fla.

Scenes from the Aug. 12, 2017, final day of competition at the 2017 National Truck Driving Championships and Step Van Driving Championships at the Orange County Convention Center in Orlando, Fla.

Scenes from the Aug. 12, 2017, final day of competition at the 2017 National Truck Driving Championships and Step Van Driving Championships at the Orange County Convention Center in Orlando, Fla.

Scenes from the Aug. 12, 2017, final day of competition at the 2017 National Truck Driving Championships and Step Van Driving Championships at the Orange County Convention Center in Orlando, Fla.

Scenes from the Aug. 12, 2017, final day of competition at the 2017 National Truck Driving Championships and Step Van Driving Championships at the Orange County Convention Center in Orlando, Fla.

Scenes from the Aug. 12, 2017, final day of competition at the 2017 National Truck Driving Championships and Step Van Driving Championships at the Orange County Convention Center in Orlando, Fla.

Scenes from the final day of competition, Aug. 12, 2017, at the 2017 National Truck Driving Championships and Step Van Driving Championships at the Orange County Convention Center in Orlando, Fla.

Scenes from the final day of competition, Aug. 12, 2017, at the 2017 National Truck Driving Championships and Step Van Driving Championships at the Orange County Convention Center in Orlando, Fla.

Scenes from the final day of competition, Aug. 12, 2017, at the 2017 National Truck Driving Championships and Step Van Driving Championships at the Orange County Convention Center in Orlando, Fla.

Scenes from the final day of competition, Aug. 12, 2017, at the 2017 National Truck Driving Championships and Step Van Driving Championships at the Orange County Convention Center in Orlando, Fla.

Scenes from the final day of competition, Aug. 12, 2017, at the 2017 National Truck Driving Championships and Step Van Driving Championships at the Orange County Convention Center in Orlando, Fla.

Scenes from the final day of competition, Aug. 12, 2017, at the 2017 National Truck Driving Championships and Step Van Driving Championships at the Orange County Convention Center in Orlando, Fla.

Scenes from the final day of competition, Aug. 12, 2017, at the 2017 National Truck Driving Championships and Step Van Driving Championships at the Orange County Convention Center in Orlando, Fla.

Scenes from the final day of competition, Aug. 12, 2017, at the 2017 National Truck Driving Championships and Step Van Driving Championships at the Orange County Convention Center in Orlando, Fla.

Scenes from the final day of competition, Aug. 12, 2017, at the 2017 National Truck Driving Championships and Step Van Driving Championships at the Orange County Convention Center in Orlando, Fla.

Scenes from the final day of competition, Aug. 12, 2017, at the 2017 National Truck Driving Championships and Step Van Driving Championships at the Orange County Convention Center in Orlando, Fla.

Scenes from the final day of competition, Aug. 12, 2017, at the 2017 National Truck Driving Championships and Step Van Driving Championships at the Orange County Convention Center in Orlando, Fla.

Scenes from the final day of competition, Aug. 12, 2017, at the 2017 National Truck Driving Championships and Step Van Driving Championships at the Orange County Convention Center in Orlando, Fla.

Scenes from the final day of competition, Aug. 12, 2017, at the 2017 National Truck Driving Championships and Step Van Driving Championships at the Orange County Convention Center in Orlando, Fla.

Scenes from the final day of competition, Aug. 12, 2017, at the 2017 National Truck Driving Championships and Step Van Driving Championships at the Orange County Convention Center in Orlando, Fla.

Scenes from the final day of competition, Aug. 12, 2017, at the 2017 National Truck Driving Championships and Step Van Driving Championships at the Orange County Convention Center in Orlando, Fla.

Scenes from the final day of competition, Aug. 12, 2017, at the 2017 National Truck Driving Championships and Step Van Driving Championships at the Orange County Convention Center in Orlando, Fla.

Roland Bolduc of East Longmeadow, Mass., and FedEx Express receives a congratulatory kiss from FedEx colleague Scott Mugno after being named the 2017 Bendix Grand Champion at the 2017 National Truck Driving Championships and Step Van Driving Championships in Orlando, Fla., Aug. 12, 2017. Bolduc also won the sleeper class.