council direct septemb amend direct eec approxim law member state relat permiss sound level exhaust system motor vehicl eec council european commun regard treati establish european econom commun articl thereof regard propos commiss regard opinion european parliament regard opinion econom social committe direct eec amend direct eec lai annex maximum sound level motor vehicl intend road bodywork wheel maximum design speed exceed kilometr hour except vehicl run rail agricultur forestri tractor machineri public work vehicl protect public urban area nois nuisanc requir suitabl measur reduc nois level motor vehicl reduct made technic progress motor vehicl construct annex direct eec amend reduc permiss sound level valu express db categori vehicl refer reduct repres major step forward improv environ provis question review date light result commiss work context approach take account simultan main aspect commun rule motor vehicl sector relat safeti environment protect energi conserv adopt direct articl annex direct eec point reword limit valu sound level measur accord item annex exce limit vehicl categori valu express db vehicl intend carriag passeng equip seat includ driver seat vehicl intend carriag passeng equip seat includ driver seat maximum permiss mass tonn engin power kw engin power kw vehicl intend carriag passeng equip seat includ driver seat vehicl intend carriag good maximum permiss mass exceed tonn maximum permiss mass exceed tonn exceed tonn vehicl intend carriag good maximum permiss mass exceed tonn engin power kw engin power kw kw engin power kw vehicl categori limit valu increas db equip direct inject diesel engin vehicl maximum permiss mass tonn design road limit valu increas db engin power kw db engin power equal greater kw articl effect januari member state ground relat permiss sound level exhaust system refus respect type motor vehicl grant eec type approv issu document refer indent articl council direct eec februari approxim law member state relat type approv motor vehicl trailer amend direct eec grant nation type approv prohibit entri servic vehicl sound level exhaust system type vehicl vehicl compli provis direct eec amend direct effect octob member state longer issu document refer indent articl direct eec respect type motor vehicl sound level exhaust system compli requir direct eec amend direct refus grant nation type approv respect type motor vehicl sound level exhaust system compli requir direct eec amend direct vehicl categori defin articl equip diesel engin vehicl categori octob replac octob effect octob member state prohibit entri servic vehicl sound level exhaust system compli requir direct eec amend direct vehicl categori defin articl equip diesel engin vehicl categori octob replac octob articl council decemb decid review provis direct eec basi commiss report measur relat rule motor vehicl sector establish due regard safeti environment protect energi conserv factor articl member state bring forc provis compli direct januari forthwith inform commiss thereof articl direct address member state brussel septemb council presid barri oj oj oj oj oj oj oj