Driving after a DUI conviction can be a dicey experience. Many states require drivers, if they want to keep using their cars, to install ignition interlock devices that measure alcohol levels before allowing the vehicle to start. One of the most common is from Des Moines, Iowa based Intoxalock, which takes the form of a small box with a plastic tube into which the driver blows. The box then measures the level of alcohol in the breath. You must be below your states legal limit to start the...
