AN ACT CONCERNING TRANSPORTATION SYSTEM MODERNIZATION. To revise various transportation-related statutes concerning (1) the type of vehicles eligible for a rebate or voucher under the Connecticut Hydrogen and Electric Automobile Purchase Rebate program, (2) the matching grant program for modernizing existing traffic signal equipment and operations, (3) the requirements for zero-emission school buses and alternative fuel school buses and the related grant program for the purchasing or leasing of zero-emission school buses, (4) a working group to study incentives to increase the use of freight rail transportation in the state, and (5) a working group to study incentives to transport municipal solid waste by freight rail.