 MILWAUKEE--BUSINESS WIRE--REV Group, Inc. NYSE: REVG, a Milwaukee-based designer and manufacturer of industry-leading specialty vehicles including fire apparatus and ambulances, has teamed up for a third year with Road America to pay tribute to first responders by offering free entry to the NTT IndyCar Series REV Group Grand Prix from June 17-20, 2021. All active-duty first responders, whether paid or volunteer, will receive FREE entry at Road America in Elkhart Lake, one of the worlds mos 