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Table 4 Summary of Results from NREL Fuel Cell Bus
Evaluations
Excel | CSV
| Capital ($ mill) |
|
|
|
|
| H2 Fuel Station Installation |
total |
not reported |
$ 0.64 |
not reported |
| H2 Depot Modifications |
total |
$ 1.50 |
$ 4.40 |
$ 0.05 |
| Fuel Cell Bus Purchase |
ea |
$ 3.20 |
$ 3.50 |
$ 3.10 |
| Fuel Economy |
|
|
|
|
| Duty Cycle |
MPH |
11.6 |
14.5 |
13.0 |
| Fuel Cell Fuel
Economy |
mi/kg |
5.50 |
3.12 |
7.3 |
| Fuel Cell Fuel
Economy |
MPDEG |
6.22 |
3.52 |
8.28 |
| Diesel Fuel Economy |
MPG |
4.00 |
3.98 |
CNG = 3.32 |
| Fuel Cost |
|
|
|
|
| Hydrogen Cost |
$/kg |
$ 8.00 |
$ 9.06 |
$ 4.26 |
| Diesel Cost |
$/gal |
$ 2.30 |
$ 2.07 |
CNG = $1.10 |
| Maintenance
Cost |
|
|
|
|
|
|
|
| PMI |
$/mi |
$
0.15 |
$
0.08 |
$
0.61 |
$
0.09 |
$
0.05 |
$
0.08 |
| Powerplant |
$/mi |
$
0.01 |
$ 0.10 |
$
1.54 |
$
0.16 |
$
0.11 |
$
0.05 |
| Drive
System |
$/mi |
$
0.04 |
$ - |
$
0.36 |
$
0.02 |
$
0.06 |
$ - |
| Fuel System |
$/mi |
$
0.01 |
$
0.02 |
$
0.48 |
$
0.02 |
$
- |
$
0.01 |
| TOTAL
PROPULSION |
$/mi |
$
0.06 |
$
0.12 |
$
2.38 |
$ 0.20 |
$
0.17 |
$
0.06 |
| NON-PROPULSION |
$/mi |
$
0.54 |
$
0.23 |
$
1.17 |
$
0.34 |
$
0.27 |
$
0.19 |
| TOTAL |
$/mi |
$ 0.60 |
$
0.35 |
$
3.55 |
$
0.54 |
$
0.44 |
$
0.25 |
NOTES
AC TRANSIT: Fuel cell
maintenance done under warranty - costs not included
Fuel cell bus + 8,000 lb
Van Hool buses.
Fuel cell buses use ISE drive system with ZEBRA batteries
VTA: Warranty parts
costs not included above: $13.29/mi fuel cell; $0.04/mi diesel
Fuel cell bus +
6,800 lb
Fuel station
includes one dispenser and 10 min fill; designed for 6 buses
Fuel station vent and boil off losses ~50%
New Flyer buses.
Fuel cell buses use Ballard drive system
SUNLINE: Fuel cell
maintenance done under warranty - costs not included
Fuel cell bus +
8,000 lb
Van
Hool buses. Fuel cell buses use ISE
drive system with ZEBRA batteries
H2 maintenance
facility is a tent - two bays
For all agencies maintenance costs calculated using $50/hr
mechanic labor rate
SOURCES
AC Transit: NREL/TP-560-41041 March 2007
VTA: NREL/TP-560-40615 November 2006
Sunline: NREL/TP-560-41001 February 2007
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