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Alternative Fuel Milestones

Alternative Fuels

Vision: Alternative Fuels as Bridge to Hydrogen Zero Emission Buses

2009

Hydrogen Dispenser “Type Approval”

  • Working with California Dept. Weights & Measures Needed for Hydrogen fuel sales

2008  

56 CNG Buses (BAT engine technology, meets 2010 EPA)
Upgrade CNG Fueling to 3,600 psig

2007  

Infrastructure Development

  • 5000 psi dispenser upgrade to include (2) hose; one for autos and one for heavy duty buses
  • Upgrade H2 compressor to a duplex unit (faster storage recovery time)
  • Installed card lock system (24/7 access)
  • Designated as a California Hydrogen Highway Network (CaH2Net) fueling station member

2006  

  • Installed commercial ATR natural gas reformer 228 Kg/day

2005 to Present

Van Hool Fuel Cell Bus

  • Accumulated > 70,000 miles on vehicle to date
  • UTC fuel cell – 120 kW PureMotion™
  • Hybrid-drive – ISE System
  • H2 storage – 5,000 psig, 50 kg
  • Battery pack – ZEBRA® 53 kWh, regenerative braking
  • Fuel economy – 7.33 miles/kg average at SunLine
  • Range – 300 to 350 miles

December 2004 to Present

First HICE Hybrid Bus (Experimental)

  • Accumulated in-service miles - 85,000 miles to date
  • Ford 6.8 L V10 ICE, 190 hp - ISE/Siemens Hybrid-Drive
  • H2 Storage – 5,000 psig, 58 kg
  • Energy storage – Maxwell ultra capacitors, two packs, total energy stored is 0.6 kWh max
  • Fuel Economy – 4.29 miles/kg average
  • Canadian winter test, emissions testing
  • Range – 220-250 miles

2004 

ATR natural gas reformer demonstration prototype 216 Kg/day

  • Upgraded to add 5000 psi dispensing

Advanced Technology Cummins-Westport Innovations 5.9L SI lean-burn B Gas Plus Engine – 2 HCNG fueled buses in revenue service

  • Modified for HCNG fuel
  • Fuel blend 20% H2/ 80% CNG
  • Match NG ICE performance

Nov 2002 to Feb 2003

Thor/ISE 30’ H2 Fuel Cell Hybrid

  • First fuel cell hybrid bus
  • Accumulated 8,800 miles
  • Total fuel cell run time 640 hrs
  • UTC fuel cell – 60 kW, ISE hybrid-drive
  • H2 storage – 3,600 psig, 25 kg
  • Battery pack – 48 12 VDC PbA, regenerative braking
  • Fuel economy – 5.92 miles/kg average
  • Range – 175 to 200 miles

2002  

Experimental Technology Cummins L10 Diesel Engine 2 Hythane® fueled buses in revenue service

  • Modified for Hydrogen/CNG blended fuel
  • Hythane® blend - 20% H2 & 80% NG (by volume)

2000

On-site H2 fueling

  • H2 blend (Hythane®)
  • Step to future zero emission bus fleet
  • Electrolyzer technology demonstration for H2 production 84 Kg/day

EXCELLISiS (Ballard) H2 First Zero Emission ZEbus

  • 13 month demo program
  • Accumulated 14,900 miles
  • Total fuel cell run time 865 hours
  • Fuel cell engine – 205 kW, direct electric drive
  • H2 storage – 3,600 psig, 41.3 kg
  • Battery pack – none and no regenerative braking
  • Fuel economy – 4.96 miles/kg average
  • Range – 225 miles, estimated

1994

Arrival of 40 CNG Buses (early engine technology)
Transit and public CNG fueling site

1992

SunLine Board seeks to preserve Coachella Valley air quality and votes to transition fleet to alternative fuels

 

 

 

 

 

 

 

 

 

 

 

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