Really good way to prevent drunk driving: <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Ignition_interlock_device" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Ignition_interlock_device</a><p>I&#x27;ve also seen breathalyzers in some bars where you can check your BAC before going anywhere.