Show GAS SHORTAGE MA MAY V WORK CHANGES IN MOTOR DESIGN m RY ISRAEL ILEIN Science Editor NE NEA XE Service The Tho next generation will see Bee a decIded change chono In motoring design de- de design de design sign It IC tin the word ot of Dr A C director of ot the experiment station ot of the tho U S bureau of o mines mInts Is to be accept accept- accepted accepted accepted ed This change chango will come aa as a reo re- result re result sult of ot an innovation In the use uso ot of fuel tor for motoring For r the lI next 10 years C or o believes believE's wo will be able to go ahead with our present ro- ro resources re resources sources depending on gasoline for fuel But Dut soon thereafter the tha oil supply will drop so that production production production tion from Crom thIs his source wont won't be great enough to satisfy tho rho de- de demand de demand mand Then will come conic the tho Innovations Inno now now fuels and decided Improvements Improve Improve- Improvements Improvements ments or radical changes In la mo- mo motors moors mo motors tors ors to accommodate tho the new fuels IMPROVEMENTS o OX ON WAY EngIneers already are aro working toward this contingency Thc They havo perfected the tho process ot of crackIng BO so as to get better beller jaso gaso- gasoline paso line line from tho the crude crude petroleum and this better gasoline has enabled the design of ot a a smaller type type- higher her speed engine Chemists have havo produced anti anti- antiknock antiknock antiknock knock compounds compound which not only increase the tho efficiency of ot our gasolIne by a as high as aa 40 per cent but also enable enaMe the tho further reduction reduction reduction tion of oC engine displacement and Increase of ot speed and power The result Is s that thai even we have hove an engine far for more eco eco- economical eco economical and yet more moro efficient i ithan than the motor of ot yesterday That hat however Is only the tho b be- be be gIrt I looks forward bI I to the thEt time when we will have to depend on other than our gaso gaso- gasoline line resources when an nn entirely new fuel may r revolutionize the design of ot our motor cars car MAY AY COME I IV IN Of ot course our enormous stock ot of coal cOlli will furnish us with Ith a largo supply of ot gasoline from the tho h heat at treatment ot of this mineral But even cven this will UJ gradually decline de- de decline de decline cline while other processes ot of making the car go 0 will bo be Intro Intro- Introduced Introduced Introduced The Diesel Is being perfected to toa toa toa a point where engineers already see seo Its availability for automotive power Thus a now motor will go gounder gounder gounder under the hood crud crude crudo oil oH will Ill bo be bethe b the motive e power cheap anti ami highly efficient The steam car may return to popularity under these conditions believe believes and wo Wi ma may even see sec the Improvement of ot the electric storage battery to a point ot of smallness and efficiency that will make the electric car a great great- greater greater er possibility A German manufacturer has Las a DIesel engine eng using powdered coal for fuel tuel a new possibility In the automotive n world worl W oJ Is 18 beIng burned being nI burned I In a test truck truel In France Franco Despite tt be o Improvement of o L-o n for fOl fuel Dr DrA t- t tS S abO 1 hc head lic-id 1 of oC th the Pittsburg of the lice U V S Bureau o of Mines i I decided han chances 3 In motor design n with tho I o decrease SO In the tlC supply of thIs tills fuel and there Is also the availability a ot of coke and ond charcoal for tor the same us use roil FOR HIGHER EFFICIENCY The Tho present average slon ion slon ratio of ot all motors sold cold In la the United States State Is 41 to I J sav 1 The best knock anti anti cracked Sa ga ga are suitable for Cor Cora fora fora a compression ratio ot of 65 66 to 1 or more A As anti knock rues rue's become becom moro more generally available manu manu- manufacturers of oC motor curs cars will Increase In- In Increase crease creMe compression ratios from fron year car to year rear eAr to a figure probably not ex exceeding 6 8 to 1 I These high high- higher hIher higher I er compre compression lon ratios should re- re result re result sult suit In eventually doubling the mileage ago per gallon ot of gl Motor car manufacturers art ar arI aiding also niso In decreasing the fuel tul I required per car mile by more ef- ef efficient ef efficient carburetor design n and changes In Inc engine such a i u uthe the Ricardo rdo type typo of ot cylinder h head ael which reduces detonating tendencies tendencies cies des And Ane And of ot course the small light car such as Is h used In Europe must eventually P come when the fuel shortage greatly Increases the price of ot motor ruel tuel cJ |