Show I RESULTS OF MOTOR GASOLINE SURVEY I I The bureau of oC mines has just completed com corn a gasoline survey nn and is In a 1 po position po- po tho the fact that make public n to the vcr little change chango In there has been very quality quality- of ot motor gasoline in recent months During tho the period from January Januar January Jan Jan- uary 17 to I- I February 3 1920 one eighty samples of motor Ga gasoline were collected collected col col- by b the representatives of the bureau in seven districts of or the United States The cities selected for or this survey survey sur sur- ve vey were San Francisco Cn Cal N New NewYork ew York Fork City Including Brool Brooklyn lyn Washington Washington Wash Wash- ington Pittsburgh Chicago New Orleans Orleans Orleans Or Or- leans and Salt Lake City In every eyer case the samples collected were taken talen in such a manner as to represent the material material material ma ma- actually being sold as motor fuel and to Include samples from each refinery in tho the district The Tho investigation a tion or survey has disclosed however that the aYera average e volatility has de decreased decreased de- de c- c creased due to the fact that the higher boiling fractions of ot the tho crude oil have ha been Included In th the gasoline This change chanto in quality was made necessary b by the tremendous Increase in the demand de deI demand de- de I mand for Cor motor fuel luel an and during the war was as an absolute necessity to avoid old gasoline shortage The bureau has hask I k kept pt in n close tou touch h with this situation b by making surveys es from time to time lime as the information obtained ha has been of or Importance to the manufacturers and users of motor cars and also indicates indicates indi indi- cates when an any changes are arc required in the tho government o specifications |