Show average lift life of maior motor cars cara As al highway transportation develops de clops and passenger cors cars and brucha he be boino practically tile he pole illeana of road travel the prop proportion of first purchasers linders of corm and trucks in tile the kotul of car sales enles will decrease ili will the denind for now new cars each year ar ft ill become wore more and more nearly equal to tile the number of cars which drop out of service for this renson it la 19 becoming increasingly tant ant for tin trade to know liow bow ninny earn cars will be for replacement of from cherylee He rylee Ann Ana lisla lysla of export erport and import figures over it pc lie of years eira leads to the conchis ion loii that tile he iffe ltv of two million nill llon cars anra retired from service in the lie last hint seven denra 3 anra was about 53 years Kr i scientific american |