The deadline for registration to compete in the Carquest/MACS A/C-Heat Transfer Technician of the Year online testing is August 1, 2007. The link for registration is: www.CARQUEST.com/macs. Technicians who sign up have the opportunity to win over $7000 in trips and prizes. The first round of online testing will take place from August 15-September 15, 2007. The technicians with the top ten test scores will advance to the finals competition Saturday, November 17, 2007 at Hendrick Motorsports in Charlotte, NC. Founded in 1981, the Mobile Air Conditioning Society (MACS) is the leading non-profit trade association for the mobile air conditioning, heating and engine cooling system segment of the automotive aftermarket. MACS represents a growing membership in North America and 47 countries around the world, and provides information and services to more than 60,000 industry shops, suppliers and technicians. The society serves the industry through informational tools, self-paced educational materials, leader-led training clinics, advocacy and other member services. Since 1991, MACS has assisted more than 600,000 technicians to comply with 1990 Clean Air Act requirements for certification in refrigerant recovery and recycling to protect the environment.