In conjunction with researchers at Iowa State University, Consumer Safety Technology, LLC (CST) developed the Intoxalock usin ... g alcohol-specific fuel cell technology in 1992. Intoxalock was the first car breathalyzer device in the country to use this cutting-edge technology, which is now an ignition interlock industry standard. Intoxalock is a Des Moines, Iowa-based company that prides itself on a strong Iowa work ethic to provide customers with professional and competent service and the most reliable alcohol monitoring devices available. In 2010, Intoxalock added advanced technology features through its Intoxalock eLERT™ products and today continues to actively work to advance the ignition interlock industry with technology that suits the needs of various federal, state, and local requirements. read more