Maryland Code, Transportation § 23-201

(a) In this subtitle the following words have the meanings indicated.

(b) “Emissions control program” means the program requiring and implementing the exhaust emissions test and the emissions equipment and misfueling inspection.

(c) “Emissions equipment” means any emissions control device that has been installed on a motor vehicle by a manufacturer of motor vehicles.

(d) “Emissions equipment and misfueling inspection” means an inspection to verify the presence of required emissions equipment and an inspection to determine that the vehicle has not been misfueled.

(g) “Exhaust emissions test” means the sampling and measurement of certain components of motor vehicle exhaust to determine whether the motor vehicle is in compliance with an emissions standard.

(h) “Misfueling” means the introduction of leaded fuel into a motor vehicle designed by the motor vehicle manufacturer to use unleaded fuel.

(i) “Secretary” means the Secretary of the Environment.