the source is over a year old, but i dunno if there was ever any updates to it.
Quote:
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Nissan presented a new concept car equipped with various systems that not only detect and warn drivers about their state of sobriety, but they also take matters into their hands immobilizing the vehicle. The systems incorporated in Nissan’s concept car include a facial monitor that detects driver’s consciousness through eyes, a driving monitor that checks the behavior of the vehicle –eg. If the car strays out of its driving lane, and alcohol odor sensors integrated into the driver’s and passenger seats to detect the presence of alcohol in the air inside the vehicle cabin. These systems issue visual and voice warning alerts and/or tighten the driver’s seat belt.
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Source
http://carscoop.blogspot.com/2007/08...featuring.html
I wish our government would retro fit this into every freaking car on the road. Id say its tax dollars well spent. WHat do you guys think?