PD 1181 Providing for the Prevention, Control, and Abatement of Air Pollution from Motor Vehicles and for other purposes
It is the purpose of this Decree is to prevent, control, and abate the emission of air pollution from motor vehicles in order to protect the health and welfare of the people and to prevent or minimize damage to property and hazards to land transportation. The owner or operator of a motor vehicle is prohibited to use his vehicle or cause or allow it to be used unless such motor vehicle meets the established emission standards.
Date: August 19, 1977
Issuing Agency: DENR
Date: June 29, 1998