[usconservative]

By blowing into a tube, the system will disable the vehicle if the individual's blood alcohol level is above the legal threshold.

When these ignition car interlock systems become widespread, so will the hacks to defeat them. Any system designed by man can be defeated by man.

[BiglyCommentary]

99 cent cans of “Sober Breath” will be widely sold. And people will wear gloves to defeat the hand alcohol sensor thing or rub their hands with some lotion that fools the sensor.