The use of non-intrusive load monitoring to detect drunk driving and other risky behaviors has been proposed. A US patent application combining this technology with a usage based insurance product to create a new type of behavior based auto insurance product is currently open for public comment on peer to patent. See Behavior-based safety. Behaviour based Insurance focusing upon driving is often called Telematics or Telematics2.0 in some cases monitoring focus upon behavioural analysis such as smooth driving.
Auto insurance is financial protection, and not just for the investment you made when you bought your car. After a really serious accident, bills for damage and injuries can easily reach into hundreds of thousands of dollars. If you happen to cause such a wreck, the victims could sue you. In the worst case scenario, assets such as your savings and home could be seized.