Japanese car company developing a car with built-in sensors to detect drunkenness of driver, locking ignition if needed.
A new concept car with breathalyzer-like detection systems may provide even greater traction for Japanese efforts to keep impaired drivers off the road.
Nissan's alcohol-detection sensors check odor, sweat and driver awareness, issuing a voice alert from the navigation system and locking up the ignition if necessary.
Odor sensors on the driver and passenger seats read alcohol levels, while a detector in the gear-shift knob measures the perspiration of the driver's palm when starting the car.
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