{HEAD ~ The information} obtained from the flow meter 220 can be used to determine {TAIL ~ general operating characteristics} and to determine the fraction of fuel used by the engine which originates with the fugitive gases 
used to determine
{ HEAD ~ The information } obtained from the flow meter 220 can be used to determine { TAIL ~ general operating characteristics } and to determine the fraction of fuel used by the engine which originates with the fugitive gases
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH