council direct decemb approxim law member state relat fuel consumpt 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 technic requir motor vehicl satisfi pursuant nation law relat inter alia method measur fuel consumpt fuel consumpt vehicl type requir differ member state result technic barrier trade elimin member state adopt requir addit place exist rule order eec type approv procedur subject council direct eec februari approxim law member state relat type approv motor vehicl trailer amend direct eec introduc respect type vehicl paramount import establish method measur fuel consumpt motor vehicl inclus commun requir commun method measur fuel consumpt ensur custom user suppli object precis inform requir direct appli motor vehicl intern motor vehicl classif categori set direct eec method measur fuel consumpt categori motor vehicl establish technic difficulti resolv adopt direct articl purpos direct quot vehicl quot mean motor vehicl intend road bodywork wheel maximum design speed exceeed km except vehicl run rail agricultur tractor machineri articl member state refus grant eec type approv nation type approv respect vehicl refus prohibit sale registr entri servic vehicl ground relat fuel consumpt consumpt figur determin accord annex ii set document vehicl owner time purchas manner form decid member state articl amend adapt requir annex account technic progress adopt accord procedur laid articl direct eec oj oj oj oj page offici journal articl member state bring forc provis order compli direct month notif forthwith inform commiss thereof member state ensur text main provis nation law adopt field cover direct commun commiss articl direct address member state brussel decemb council presid colett flesch annex determin fuel consumpt eec type approv applic eec type approv applic eec type approv vehicl type respect fuel consumpt engin submit vehicl manufactur author repres accompani copi document mention inform sheet duli complet inform prepar document provid annex ii technic servic respons type approv test carri test vehicl repres vehicl type approv provid document applic mean accept compet author prepar document model contain annex ii order draw document compet author member state conduct eec type approv test report prepar approv recogn laboratori accord provis direct scope method appli categori vehicl equip intern combust engin gener specif fuel consumpt determin test cycl simul urban drive annex iii council direct eec march approxim law member state relat measur air pollut gase posit ignit engin motor vehicl amend direct eec section constant speed test km section constant speed test km section test perform vehicl maximum design speed km result test express km round nearest distanc measur accuraci time accuraci oj oj test fuel fuel refer fuel annex vi direct eec annex council direct eec august approxim law member state relat measur emiss pollut diesel vehicl test condit gener condit vehicl vehicl clean window air intak close equip function vehicl test oper manual control devic carburettor inlet air heat quot summer quot posit gener auxiliari equip requir normal run vehicl oper radiat fan temperatur control oper vehicl passeng compart heat system oper air condit system compressor oper pressur charg devic fit oper test speed vehicl run cover km test lubric lubric recommend manufactur vehicl test report tyre tyre type origin equip vehicl manufactur inflat pressur recommend test load speed adjust test bed oper test condit pressur test report measur fuel consumpt fuel suppli engin devic capabl measur quantiti consum devic interfer normal suppli system measur volumetr temperatur fuel measur volum measur point valv system permit rapid chang gener fuel suppli system measur system chang longer refer condit pressur ho mbar temperatur ºc air densiti air densiti vehicl test calcul differ air densiti refer condit oj air densiti calcul formula gt pic file quot quot gt dt air densiti test condit air densiti refer condit ht pressur test tt absolut temperatur test measur fuel consumpt cycl simul urban drive test cycl annex iii direct eec case diesel power vehicl load adjust determin petrol driven model altern method recogn equival refer mass vehicl mass vehicl refer mass defin section annex direct eec dynamomet set equival inertia stipul section annex iii direct eec measur consumpt consumpt calcul basi quantiti fuel consum consecut cycl measur made engin warm cold complet full test cycl measur carri immedi type type ii test direct eec temperatur normal oper rang engin auxiliari cool devic idl period consecut cycl extend facilit fuel consumpt measur calcul fuel consumpt fuel consumpt measur gravimetr consumpt express litr km convert measur fuel consum express kilogram formula gt pic file quot quot gt sg densiti fuel refer condit kg dm distanc cover test km fuel consumpt measur volumetr consumpt express litr km formula gt pic file quot quot gt refer temperatur express ºc tf fuel temperatur ºc measur volum measur point express result standard consumpt urban drive arithmet consecut measur carri accord procedur extrem measur differ test carri accord procedur degre accuraci obtain accuraci measur calcul formula gt pic file quot quot gt tabl gt pic file quot quot gt accuraci attain measur consumpt determin vehicl type measur fuel consumpt constant speed test carri dynamomet road mass vehicl mass vehicl mass run order defin kg half full load figur exce kg includ measur equip occup suspens height vehicl obtain centr graviti load middl straight line join point front side seat purpos direct quot mass vehicl run order quot mean total unladen mass tank fuel tank full fuel tank fill capac manufactur set tool spare wheel board gearbox vehicl fit manual gear chang gear ratio highest recommend manufactur drive test speed test procedur road test weather condit rel humid road dry road surfac bear trace moistur provid appreci film water place averag wind speed gust measur vehicl travel chosen circuit speed close test speed suffici distanc run temperatur reach case distanc km test run test run steadi speed maintain km length form close circuit surfac good condit straight road provid run km made direct gradient exce point test run speed steadi km averag speed test differ refer speed km determin consumpt refer speed graph test perform averag speed refer speed averag speed exceed refer speed fuel consumpt test run calcul formula differ lower calcul valu exce averag condit appli higher calcul valu fuel consumpt refer speed calcul linear interpol shown graph condit achiev pair calcul valu test run repeat ten attempt requir consist achiev vehicl select subject test procedur calcul averag speed km gt pic file quot quot gt cross correspond calcul valu test run calcul consumpt refer speed vo test distanc dynamomet test dynamomet set dynamomet set section annex iii direct eec amend dynamomet set test speed condit vehicl test run section weather condit road test enabl correct inlet manifold depress set determin case diesel power vehicl dynamomet set cool addit air cool devic oper condit temperatur lubric coolant rang obtain speed road measur vehicl cover speed close test speed suffici distanc dynamomet run temperatur reach distanc case km test distanc km measur revolut counter dynamomet type dynamomet test report express result method measur result express litr km refer condit annex ii gt pic file quot quot quot pic file quot quot gt