The economics of petroleum . ^ Totals 1, ,&5fl 4,992,152 8, •Estli ated. II iMl LEGEND WW CARS REGISTERED IN 1920l^^^^-l CARS REGISTERED IN 1919I I CARS REGISTERED IN 1918 tTTTi CARS REGISTERED IN 1917 m .liij: 600,000 500,000 400,000 300,000 100,000 id^li o a > < ^- z«ui 5 g 5 5 -: J ^; E kS ^ ^ a o <U.£l£3ZSzOZO Fig. 129.—Motor vehicles in the United States by years, 1912-1920; Major Financial Returns from Automotive Requirements.^At the present time Mi)pi()xhuiite


The economics of petroleum . ^ Totals 1, ,&5fl 4,992,152 8, •Estli ated. II iMl LEGEND WW CARS REGISTERED IN 1920l^^^^-l CARS REGISTERED IN 1919I I CARS REGISTERED IN 1918 tTTTi CARS REGISTERED IN 1917 m .liij: 600,000 500,000 400,000 300,000 100,000 id^li o a > < ^- z«ui 5 g 5 5 -: J ^; E kS ^ ^ a o <U.£l£3ZSzOZO Fig. 129.—Motor vehicles in the United States by years, 1912-1920; Major Financial Returns from Automotive Requirements.^At the present time Mi)pi()xhuiitely one-hull of the revenue of the averageoil company is derivetl from the sales of products going into automo-tive transportation. This proportion, however, is increasing, since 264 THE BEARING OF AUTOMOTIVE TRANSPORTATION automotive requirements are expanding at a greater rate thancounter-demands, with the result that a rapidly growing encroach-ment upon the remaining 50 per cent is coming into e\ SCALE OFINCRBASe ORDECREASE+ IOO58+ 80+ 60+ 40J+ 20 10 20 J- 30 40 50 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 Fig. 130.—The growth of automotive transportation by years, 1910-192(3. Future Demands of Automotive Transportation.—The 1910-1920rate of growth of automotive transportation which approximated40 per cent per year represents a rapidity of growth that can notbe expected to continue unabated; a careful inspection of Fig. 130,indeed, reveals the tendency of the trend lines to modify their slopes VALUE CONSUMED BY ALL OTHERREQUiREMENTS FUTURE DEMANDS OF AUTOMOTIVE TRANSPORTATION 265 toward the end of the decade represented. A careful analysis ofthe factors entering into the growth of automotive transportation,however, suggests that , ., ^. , , QUANTITY while the exuoerant expan-sion characteristic of thepast decade will undoubt-edly become more temper-ate, a substantial and con-tinuous growth may be ex-pected, barring the inabilityof the petroleum


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