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