breathalyzer locked car ignitions are saving lives, study says /

By Carole Tanzer MillerHealthDay Reporter
THURSDAY,March 17, 2016 (HealthDay News) — Ignition devices that prevent driving after drinking significantly reduce alcohol-related crash deaths, and a recent study finds.
Essentially in-car breathalyzers,the “ignition interlocks” led to a 15 percent decline in alcohol-related deaths in 18 states that required them for anyone convicted of drunken driving, the researchers [...]

Source: health.com