>> I'm sure they haven't and I'm sure they think they don't need them. > Source please. Source - me. I'm sure. Please read carefully. Also, it's not like th

>> I'm sure they haven't and I'm sure they think they don't need them. > Source please. Source - me. I'm sure. Please read carefully. Also, it's not like they've presented large scale trials of this working. > Even if what you are saying is true, are you claiming that installing these devices on the cars of people who routinely drive drunk would not save lives? Am I claiming that? The discussion is about putting devices on all cars, not repeat offenders, so no.