Stopping Drunks one car at a time

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Toyota is creating an alcohol detection system. Steering wheel sensors will determine driver's blood alcohol level. It detects drunken drivers and automatically shuts the vehicle down if sensors pick up signs of excessive alcohol consumption. Cars fitted with the detection system will not start if sweat sensors in the driving wheel detect high levela of alcohol in the driver's bloodstream. The system could also kick in if the sensers detect abnormal steering, or if a special camera shows that the driver's pupils are not in focus. The car is then slowed to a halt. Toyota hopes to fit cars with the system by the end of 2009. Nissan manufacturing, has already been experimenting with breathalyzer-like devices that could detect if a driver was drunk. Similar technologies, such as alcohol ignition interlocks, are in use in the U.S. and elsewhere. Would you pay more to own one?