Cool Taxi is a system of prepaid coupons which can be used to pay for taxicab fares in the Canadian province of Quebec. It is marketed as a way to encourage passengers to take a taxicab rather than driving while intoxicated or with a driver who is intoxicated, especially on New Year's Eve. The system was initially conceptualized by M. Carol Rancourt and was then introduced in 2010 by three men, fathers of three teenagers who were seriously injured in a car crash caused by a drunken driver, and received the support of Sam Hamad, Quebec's minister of transportation. The coupons can only be used for taxi fares and cannot be exchanged for cash, except that a driver will give change when the value of the coupons tendered by a passenger is more than the fare. The coupons are in denominations of