Carquest and MACS Worldwide have teamed up to find the best mobile A/C and heat transfer service technician in the United States and Canada. The winner will receive an exciting prize package that includes the opportunity to wave the green flag as a co-grand marshal at the Carquest 300 in Charlotte, N.C. on May 26, 2007. “We are proud to support MACS and training among mobile A/C and heating transfer automotive technicians.” said Adam Dawson, product manager for Carquest temperature controls. Technicians who are certified in refrigerant recycling and recovery may sign up now at www.carquest.com/macs The winner of the Carquest-MACS technical skills competition will be announced at the MACS Worldwide 27th annual Convention and Trade Show, Repair Round-Up! Founded in 1981, the Mobile Air Conditioning Society (MACS)a non-profit trade association for the mobile air conditioning, heating and engine cooling system segment of the automotive aftermarket. MACS represent a growing membership in North America and 47 countries around the world.