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