议会和理事会1999/96/EC号指令，该指令与成员国关于采取措施防止车辆用压燃式发动机排放气体和颗粒污染物的法律近似，以及车辆用燃用天然气或液化石油气的点燃式发动机的气体污染物排放，并修订了理事会指令88/77/E附录:OJ L 442000年2月16日

Parliament and Council Directive 1999/96/EC on the approximation of the laws of the Member States relating to measures to be taken against the emission of gaseous and particulate pollutants from compression ignition engines for use in vehicles, and the emission of gaseous pollutants from positive ignition engines fuelled with natural gas or liquefied petroleum gas for use in vehicles and amending Council Directive 88/77/EECCitation: OJ L 44, 16 February 2000