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Fuel Economy Data (Gaseous Fuels)

Date: 2009-10-21
Run Number: 3
Personnel: B.S., B.L. & S.C.
Test Direction: CCW
Ambient Temperature (°F): 56
Humidity (%): 72
SLW (lbs): 21630
Wind Speed (mpg) & Direction: 4/SW
Barometric Pressure (in.Hg): 30
Cycle Type Run Time (min:sec) Cycle Time
(min:sec)
Fuel Temperature (°F) Total Fuel used (SCF)
Start Finish Start
CBD #1 0 8:29 8:29 26.8 0.32
ART #1 0 3:59 3:59 27.6 0.266
CBD #2 0 8:30 8:30 29.8 0.32
Art #2 0 4:01 4:01 28.8 0.253
CBD #3 0 8:27 8:27 30.2 0.18
Commuter 0 6:01 6:01 33.6 0.194
Total Fuel: 1.5330000000000001 SCF
20 minute idle: SCF
No Load Flow Rate at Idle = SCFM No Load Flow Rate at Full Throttle = SCFM
Heating Value = 19631 BTU/LB
Comments: None noted.

Date: 2009-10-21
Run Number: 4
Personnel:
Test Direction: CW
Ambient Temperature (°F): 65
Humidity (%): 70
SLW (lbs): 21630
Wind Speed (mpg) & Direction: 4/SW
Barometric Pressure (in.Hg): 30
Cycle Type Run Time (min:sec) Cycle Time
(min:sec)
Fuel Temperature (°F) Total Fuel used (SCF)
Start Finish Start
CBD #1 0 821 29.2 0.125
ART #1 0 354 33.7 0.252
CBD #2 0 829 35.4 0.294
Art #2 0 358 39.8 0.252
CBD #3 0 829 47.5 0.297
Commuter 0 602 41.4 0.269
Total Fuel: 1.4889999999999999 SCF
20 minute idle: .035 SCF
No Load Flow Rate at Idle = SCFM No Load Flow Rate at Full Throttle = SCFM
Heating Value = 19631.0 BTU/LB
Comments: A 5 minute idle was performed instead of a 20 inute idle due to design. this bus is designed with a "no-idle" 5 minute shutdown.

Date: 2009-10-20
Run Number: 1
Personnel: B.L., T.S. & S.C.
Test Direction: CCW
Ambient Temperature (°F): 62
Humidity (%): 78
SLW (lbs): 21630
Wind Speed (mpg) & Direction: /
Barometric Pressure (in.Hg): 30
Cycle Type Run Time (min:sec) Cycle Time
(min:sec)
Fuel Temperature (°F) Total Fuel used (SCF)
Start Finish Start
CBD #1 0 8:25 8:25 27.2 0.295
ART #1 0 3:53 3:53 30.4 0.26
CBD #2 0 8:29 8:29 32.4 0.301
Art #2 0 3:58 3:58 41.8 0.25
CBD #3 0 8:26 8:26 34.8 0.309
Commuter 0 5:58 5:58 42.2 0.286
Total Fuel: 1.7009999999999998 SCF
20 minute idle: .038 SCF
No Load Flow Rate at Idle = SCFM No Load Flow Rate at Full Throttle = SCFM
Heating Value = 19631 BTU/LB
Comments: A 5 minute idle was performed instead of a 20 minute idle due to design. This bus is designed with a "no-idle 5 minute shutdown.

Date: 2009-10-21
Run Number: 2
Personnel:
Test Direction: CW
Ambient Temperature (°F): 51
Humidity (%): 72
SLW (lbs): 21630
Wind Speed (mpg) & Direction: 7/SW
Barometric Pressure (in.Hg): 30
Cycle Type Run Time (min:sec) Cycle Time
(min:sec)
Fuel Temperature (°F) Total Fuel used (SCF)
Start Finish Start
CBD #1 0 8:22 8:22 25.4 0.302
ART #1 0 3:56 3:56 26.4 0.266
CBD #2 0 8:25 8:25 26.9 0.299
Art #2 0 3:55 3:55 27.5 0.254
CBD #3 0 8:27 8:27 28.6 0.29
Commuter 0 5:56 5:56 27.2 0.265
Total Fuel: 1.6760000000000002 SCF
20 minute idle: SCF
No Load Flow Rate at Idle = SCFM No Load Flow Rate at Full Throttle = SCFM
Heating Value = 19631 BTU/LB
Comments: None noted.