Clean Efficient Automobiles Resulting From Advanced Car Technologies Act of 2003

Clean Efficient Automobiles Resulting From Advanced Car Technologies (CLEAR ACT) Act of 2003 - Amends the Internal Revenue Code to allow an annual alternative motor vehicle credit equal to the sum of: (1) the new qualified fuel cell motor vehicle credit; (2) the new qualified hybrid motor vehicle credit; and (3) the new qualified alternative fuel motor vehicle credit. Sets forth credit termination dates.Extends and revises the credit for qualified electric vehicles. Makes leased vehicles eligible for the credit.Allows a limited credit for installation of alternative fueling stations.Allows a limited credit for the retail sale of alternative fuels as motor fuel.Mandates studies.