Show Engine Oil Made Better Regularly so Not John Q Public most often thinks about his hi automobile engine when someone someone some some- one mentions oil to him And so the Industry and its testing laboratories ies les are busy Improving its motor oils oUs One company has added an engine cleaning agent which says the company will keep out damaging damaging damaging dam dam- aging sludge carbon deposit and even varnish Still another company company company com com- pany claims Its oil oU is la made especially especially es es- for use in cars which balk at starting in below 30 zero er |