Nissan will prevent drinking and driving

[trondhla]

And develope preventionsystem accordingly:
http://news.bbc.co.uk/2/hi/business/6929931.stm

Still in the works, but one day this will become mandatory and required equipment in all cars.
But if your car looks like one in the picture, you maybe should not drive in the first place.

[ryan.mccabe.2]

More info...

http://www.autoblog.com/2007/08/03/nissan-develops-concept-with-integrated-anti-dui-tech/

[MikeSable]

Too bad that also prevents the sober DD from driving home a bunch of friends that reek of booze.

[Madmaster]

If they can have it so that just the shifter detects the alcohol in the driver's hand, there wouldn't be too much of an issue there.