{HEAD ~ A method} of enhancing the combustion efficiency of liquid fuels comprising {TAIL ~ the steps} of contacting a liquid fuel with a cast alloy article comprising: 
comprising
{ HEAD ~ A method } of enhancing the combustion efficiency of liquid fuels comprising { TAIL ~ the steps } of contacting a liquid fuel with a cast alloy article comprising :
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH