GIVEN that NHTSA has known since 1991 when it first studied this issue that both suicides and unintentional deaths caused by CO poisoning from motor vehicles could be prevented with a CO detector linked to an engine cut-off switch costing less than $12 per vehicle ...
WHY has NHTSA done nothing about this issue since 1991 as over 15,000 more people have died?
WHY did it take 5 years to reject a petition filed in 2001 asking that all vehicles be required to have a CO detector with an engine cut-off switch?