E-450-ATF240 CNG Powered

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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 124.0 5.73 0.05 1.14
ART 79.0 3.82 0.05 1.19
Commuter 53.0 3.82 0.07 1.78
Total 256.0 13.370000000000001 0.05 1.29
Run # :2, CW
CBD 118.0 5.73 0.05 1.2
ART 75.0 3.82 0.05 1.25
Commuter 49.0 3.82 0.08 1.92
Total 242.0 13.370000000000001 0.06 1.36
Run # :3, CCW
CBD 118.0 5.73 0.05 1.2
ART 74.0 3.82 0.05 1.27
Commuter 50.0 3.82 0.08 1.88
Total 242.0 13.370000000000001 0.06 1.36
Run # :4, CW
CBD 119.0 5.73 0.05 1.19
ART 75.0 3.82 0.05 1.25
Commuter 50.0 3.82 0.08 1.88
Total 244.0 13.370000000000001 0.05 1.35

Idle Consumption
First 20 Minutes Data: 33 Scf Last 20 Minutes Data: 30 Scf
Average Idle Consumption: 94.5 Scf/Hr

Run Consistency (% Difference from overall average of total fuel used)
Run 1 : -4.1 Run 2 : 1.6 Run 3 : 1.6 Run 4 : 0.8

Summary
Average Idle Consumption : 3.84 LB/Hr
Average CBD Phase Consumption : 1.18 M/Lb
Average Arterial Phase Consumption : 1.24 M/Lb
Average Commuter Phase Consumption : 1.86 M/Lb
Overall Average Fuel Consumption : 1.34 M/lb
Overall Average Fuel Consumption : 53.94 Miles/ Million BTU