FORT COLLINS, CO--(Marketwire - Jan 16, 2013) - Fort Collins Foreign Car Service, a Fort Collins auto repair shop which has been servicing vehicles for over 40 years, is seeing a significant portion of their business coming from the installation and maintenance of alcohol monitoring devices. The venerable repair shop started sub-contracting with Guardian Interlock Systems in 2001 in order to diversify the services that they offer at the shop and to help promote safe driving in the Fort Collins area.