CNG 45' Coach

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Economy Summary Sheet

Fuel Type : CNG
SP. Gravity : 0.557
Heating Value : N/A
Standard Conditions : 60 PSI : 14.7 PSI
Density of Air : 0.0729 lb/scf

Cycle Total Fuel Used (Scf) Total Miles Fuel Economy M/Scf (Measured) Fuel Economy M/Lb (Corrected)
Run # :1, CCW
CBD 286.2 5.73 0.02 0.49
ART 146.7 3.82 0.03 0.64
Commuter 88.2 3.82 0.04 1.07
Total 521.1 13.370000000000001 0.03 0.63
Run # :2, CW
CBD 270.2 5.73 0.02 0.52
ART 147.10000000000002 3.82 0.03 0.64
Commuter 88.0 3.82 0.04 1.07
Total 505.3 13.370000000000001 0.03 0.65
Run # :3, CCW
CBD 272.7 5.73 0.02 0.52
ART 142.3 3.82 0.03 0.66
Commuter 83.0 3.82 0.05 1.13
Total 498.0 13.370000000000001 0.03 0.66
Run # :4, CW
CBD 256.9 5.73 0.02 0.55
ART 142.3 3.82 0.03 0.66
Commuter 87.6 3.82 0.04 1.07
Total 486.80000000000007 13.370000000000001 0.03 0.68

Idle Consumption
First 20 Minutes Data: 89.8 Scf Last 20 Minutes Data: 37.2 Scf
Average Idle Consumption: 190.5 Scf/Hr

Run Consistency (% Difference from overall average of total fuel used)
Run 1 : -3.6 Run 2 : -0.5 Run 3 : 1.0 Run 4 : 3.2

Summary
Average Idle Consumption : 7.74 LB/Hr
Average CBD Phase Consumption : 0.52 M/Lb
Average Arterial Phase Consumption : 0.65 M/Lb
Average Commuter Phase Consumption : 1.09 M/Lb
Overall Average Fuel Consumption : 0.66 M/lb
Overall Average Fuel Consumption : 26.39 Miles/ Million BTU