I guess what I was going for was more of an option rather than a requirement. For instance, if a person who has been vetted by a professional and doesn't have a

I guess what I was going for was more of an option rather than a requirement. For instance, if a person who has been vetted by a professional and doesn't have an issue, they could do this instead of the interlock. The hope is that rather than helping one person not drink and drive, it would help many people not drink and drive. I agree that it sounds expensive. I am hoping to figure out other ways to receive funding.