Local prohibition or regulation of gas-powered leaf blowers; civil penalty. Provides that any locality with a population density of at least 2,500 persons per square mile may by ordinance prohibit or regulate the use of gas-powered leaf blowers. The bill provides that any such ordinance shall become enforceable not less than 12 months after the date it is enacted by the local governing body. The bill also provides that the ordinance may include provisions for a civil penalty and that the funds from such civil penalties may be used by the locality to assist with the purchase of nonprohibited leaf blowers by residents and local businesses.