Do your part to clean up the environment: change the fresh air filter on your cab's HVAC system. The filter not only keeps these contaminants out of the cab, it stops them from interfering with the performance of your heater and air conditioner. Also: Tips for claiming back the GST when you're operating in Canada. Time: 7:50; size: 7.2 Mb. Includes interviews with Mark Williams of Red Dot Corp., and Scott Taylor of TFS Group. Theme music is "Under a Sky" by Edie Carey. Exit music is "Rumble Groove" by George Fletcher's Bourbon Renewal.