DreammachinesInChina'sbiggercities,theriversofbicycles—onceoneofthemostvividimagesofurbanChina—havebeenreplacedwithstreetsjammedwithcars,mostofthem,terrifyingly,inthehandsofnovicedrivers
Bybanningorseverelyrestrictingmotorcycleuseinthesecities,ChinahasleapfroggedthedevelopmentpatternofitsAsianneighbours,wherethemotorbikehasusuallyprovidedthenewlyaffluentwiththeirfirsttasteofeffortlessmobility
Shanghai,hometoabout9mordinarybikes,arousedaflurryofmediacriticismlastyearbybanningthemfrommainroadsinthecentre
Buttheyarelessandlessusedthesedays
Tosomeextent,China'sembraceofthecarhasbeenapredictableresultofgrowingurbanaffluence
ButseveralotherfactorscauseddemandinChina,atleastuntilayearago,tosoarbeyondexpectations
AhugeboostcamewhenChinajoinedtheWorldTradeOrganisationin2001,whichrequireda