Show PAVED ROADS BEST FOR CAR Cost In Gasoline and Tires Less on Hard Surface XEA NR Service Ice PULLMAN Wash Aug 29 29 When you jou OU plan a touring expedition I tion choose the tho concrete roads first take the tho macadam roads for tor second choice und and the gravel grael roads for third This fit practice e will save e I you jou OU considerable erable money in gaso gaso- gasoline gasoI gasoline I line and tiro I cost t. t This h advice koco is offered from a study t dy of ot figures presented by the th I state college of Washington actual tests of gasoline use and tire tiro wear were conducted over overt thi t e three types t ps of ot road Here in short is the tabulated result of these thes tests Ratio of gasoline cost Concrete 10 00 l H 1113 13 Gravel 15 1507 07 Which means mean that driving a car over the same distance di tan e on each type of road roid results In the comparative com com- comparative comparative costs shown n in the table It shows concrete two-thirds two as costly as gravel grave grave in gasoline use Concrete Gon 1 17 Macadam am Gravel Grav 1 56 66 Putting this in terms of money the ratio of tire wear cost Is Concrete 3 qS 98 Macadam 1672 16 Gravel 56 72 l I These TheM comparisons are are for given gh en speeds and other con con- conditions I di that are alike on each 1 h road toad road over which the tho test teat cars were run fun I |