direct ec european parliament council januari amend council direct eec measur air pollut emiss motor vehicl european parliament council european union regard treati establish european commun articl thereof regard propos commiss regard opinion econom social committe act accord procedur laid articl treati council direct eec march approxim law member state measur air pollut emiss motor vehicl separ direct type approv procedur laid council direct eec februari approxim law member state relat type approv motor vehicl trailer direct eec lai specif test emiss motor vehicl fall scope view recent experi gain rapidli develop state art board diagnost system adapt specif board diagnost obd develop stage vehicl equip posit ignit engin run perman part time liquefi petroleum ga lpg natur ga ng requir type vehicl direct eec amend adopt direct articl annex direct eec section replac quot vehicl posit ignit engin petrol fuell engin effect januari type januari type vehicl categori vehicl maximum mass exce kg vehicl categori class fit obd system emiss control accord annex xi effect januari type januari type vehicl categori class ii iii vehicl categori maximum mass exce kg fit obd system emiss control accord annex xi lpg natur ga fuell vehicl effect januari type januari type vehicl categori vehicl maximum mass exce kg vehicl categori class run perman part time lpg natur ga fuel fit obd system emiss control accord annex xi effect januari type januari type vehicl categori class ii iii vehicl categori maximum mass exce kg run perman part time lpg natur ga fuel fit obd system emiss control accord annex xi quot articl member state bring forc law regul administr provis compli direct februari forthwith inform commiss thereof member state adopt provis refer direct accompani refer occas offici public member state determin refer made member state commun commiss text main provis domest law adopt field cover direct articl direct enter forc dai public offici journal european commun articl direct address member state brussel januari european parliament presid fontain council presid lindh oj oj opinion european parliament publish offici journal council common posit octob oj decis european parliament decemb publish offici journal oj direct amend commiss direct ec oj oj direct amend direct ec european parliament council oj