DAO 12:2008 Mandatory PNS related to the use of LPG and CNG in Motor Vehicles

Mandatory Implementation of Philippine National Standard for LPG and CNG in motor vehicles covered by PNS/UN ECE 115:2006, Uniform provisions concerning the approval of (a) Specific LPG (Liquefied Petroleum Gases) and (b) CNG (Compressed Natural Gas) retrofit systems to be installed in motor vehicles for the use of LPG or CNG, respectively, in their propulsion system