NTSB: All vehicles should include a blood alcohol monitoring system
I'm not sure how I feel about this. It could save lives but it would be an additional cost that would affect most drivers who don't drink and drive. Also, what happens if the device malfunctions and prevents you from driving your car?
https://www.autoblog.com/2022/09/20/blood-alcohol-monitoring-requirement-ntsb-nhtsa/