Show Leaders Questioned ned nedon on Oil Substitutes WASHINGTON Wj April Fifty Fifty leaders in the oil industry were a asked ked by the Uie presidents president's oil oU conservation conservation conservation con con- board in letters lotters today for their views concerning possible substitutes for tor domestic well oil and the products now derived The board of of or Secretary Work Vork Is chairman was advised by government experts that an average average average aver aver- age of gallons of gasoline is being used dally in the United States The experts' experts report noted that this country is the largest producer and the largest consumer of petroleum with rapidly diminishing dimin resources Questions propounded In the b boards board's ards letter included I 1 Broadly speaking do does the h util of ot one or more of more of the pe petroleum petroleum petroleum pe- pe substitutes mentioned or others with which h you may may be fa familiar lUar offer p possibilities of of Immediate immediate immediate Im im- mediate Jn n relation to the conservation of petroleum What measures measures ir if any tny would you care to recommend to the end that this nation might be prepared d to utilize these or other substitutes to the best advantage |