Mandating something like an interlock would work. But false positives would be absolutely infuriating and possibly life threatening. Imagine having to call the

Mandating something like an interlock would work. But false positives would be absolutely infuriating and possibly life threatening. Imagine having to call the police or similar to breathalyze or do a blood draw to then unlock your car. Just ask people trying to get out from under DUI convictions how unreliable those devices are.