Well-to-Wheels Energy and Emission Impacts of Vehicle/Fuel ...
Well-to-Wheels overview from CHBC meeting
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Transcript of Well-to-Wheels overview from CHBC meeting
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…
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