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 {HEAD ~ the engine} which originates with the fugitive gases 
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 { HEAD ~ the engine } which originates with the fugitive gases
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH