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