Originally Posted by genec
Toyota has a new design on the drawing board that senses alcohol in the sweat of the driver's hands and will shut down the car when alcohol is detected.
See A&S for a thread there on "Cars smarter than drivers."
What if they don't sweat? What if they have gloves on because it is winter time or they figure out that is the way to beat it? Good idea, but not fool proof. Keep in mind alcohol lowers your body temp., so sweating is probably not going to happen a lot of the time.