Reality Cheque (Drunk Driving)
Beginning in the fall of 2015, all bar tabs printed at Australia's biggest sports arena will show two totals: The normal one, and the potential total if you drink and drive.
It does this ussing an algorithm that estimates your BAC (based on how much you've drank and how long your tab has been open). It then adds the fees, impoundment costs, etc. that apply for that BAC level.
Joe Sibley, Giles Watson