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Show Diesel Engine to Propel Autos of Future? f 'twill 't-will the Diesel engine finally be adapted to replace the spark Ignition rinclnn n r r ' nw ,1 fn r. r n r ) n i t r, rr. n biles? This question, recurrent almost an-Dually an-Dually since the Invention of the auto- I mobile, faces Its last repetition with tho announcement from l'aris of tho, Invention of a semi-Diesel type o : engine for motor care At tho very beginning of the auto- j ! mobile Industry, use of a Diesel en-1 ,'ine whs attempted on automobiles. But, although used for stationary purposes and In submarines, tho en- , 'ln.- would not work well In a mov- ; ing. vibrating machine. The engine, with rpark Ignition, that has replaced tho Diesel. however, how-ever, uses up costly gasoline, while the alr-comprcsslon engine feeds on a ( heap, low grade of oil. A combination combi-nation of the good In both of theso engines, therefore, would make .mi Ideal power plant for automobiles Tills ideal or thfl nearest to It Fronch automotive engineers Belli 8 Is finally attained in the seml-Dle 1 automobile engine tested recently on a trip between Paris and Bordeaux. The engine, according to report', burns low-grade oil which costs 1 2 cents u gallon In France, as compared com-pared with f6 cents for gasoline. .k i the same time It retains the advan-, advan-, tages of tho spark-lgnltlon engine novy In use. Besides, Its Inventors pay. trf eml-DifesSl costs less for upkeep an 1 li slmpb-r and therefore cheaper to DOake than the present type. Expert- ments are still going on. with the Idea of installing the engine on 1'arLs buses. 11 "i"" " ' iji mini mi mmu imxs |