Well to Wheels

2012 Road Map

Assumptions

• GREET1_2013» 2020 model year sedan» Regulated mixes of fuel/feedstocks» California mix of electricity in all pathways

• California mix of hydrogen» 67% from natural gas (centralized and distributed)» 33% from renewables» 70MPa compression

Air

6

Climate

Transit

Energy

Water life cycle assessment

• Blue water: fresh surface and groundwater• Green water: part of rainfall on land• Gray water: recycled• Water withdrawal: amount of fresh water uptake from

surface or groundwater• Water consumption: equals fresh water withdrawal minus

fresh water returned to the same withdrawal source • Water LCA: accounts for fresh water consumption along the

pathway of producing the fuel from its feedstock source

Water

In context…

Security

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