Ultra Low Emission Transit Buses - 4.27.2010 - Richard Thompson

Ultra-Low Emission Transit Buses April 27, 2010 Presented by Richard Thompson ,[object Object],[object Object],[object Object],[object Object],[object Object]

Transit Agencies are Looking for a Change ,[object Object],[object Object],[object Object],[object Object],[object Object]

Transit Bus Architectures of Interest Prime Mover Technology Prime Mover Efficiency Comments Diesel ICE (ref) 35 to 40% Hydrogen ICE (ref) 35 to 40% ,[object Object],[object Object],Prime Mover Technology Prime Mover Efficiency Comments Fuel cell dominant 45 to 55% ,[object Object],[object Object],Battery dominant with fuel cell for range extender 75 to 95% (Efficiency is power dependent) ,[object Object],[object Object],[object Object],All-electric 75 to 95% (Efficiency is power dependent) ,[object Object],[object Object],[object Object]

Comparison of Energy Storage for Vehicles ,[object Object],[object Object],[object Object],[object Object],Opportunities exist to blend energy of batteries with power of flywheels or capacitors

What We are Doing? Where are We Going?

Hydrogen infrastructure ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Field Validation of a Hydrogen Plug-in Hybrid bus in Austin, TX ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],10.4 mpg (diesel energy equivalent) measured at the 2010 Winter Olympics demo (1000 miles) All-Electric Fuel Economy Hybrid Fuel Economy in Charge Sustaining Mode

All-Electric Transit Bus Demonstration in San Antonio, TX ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Phase I Program – Assess Flywheel Technology Emerging from the Formula One Racing Community and its Benefits to the US Transit Bus Market ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Energy Source/Storage Type Cost per Wh Cost per kW Fuel Cell n/a $4000 WHP Flywheel (costs for prototype) $284 $1067 WHP Flywheel (1/11/2010 estimate for >1000 production cost) $44 $167 WHP Flywheel (March 2010 estimate for >>1000 production cost) $11 $42 Li-Ion Batteries $4 $500

Porsche 911 GT3 R Hybrid with Williams Flywheel System (Feb 11,2010) ,[object Object],[object Object],[object Object]

DOD Program on Extended Range Hydrogen Fuel Cell Utility Vehicle ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What About CNG? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Ultra Low Emission Transit Buses - 4.27.2010 - Richard Thompson

Ultra Low Emission Transit Buses - 4.27.2010 - Richard Thompson

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Ultra Low Emission Transit Buses - 4.27.2010 - Richard Thompson