Life Cycle Assessment of Greenhouse Gas Emissions from Plug-in Hybrid Vehicles: Implications for Policy

Mis en ligne par kevin.tang
Type: 
article
Comparative: 
oui
Année de publication: 
2009
Langue: 
Anglais
Code: 
Batteries
Code: 
Energy
Code: 
Vehicles/Fuels
Produit: 
Plug-in Hybrid Vehicles
Sources et qualité
Qualité de l'étude: 
ACV rapide
Revue Critique?: 
Non
Cohérence avec la série de normes ISO 14040/44?: 
Non
Nom(s) du(des) commanditaire(s): 
Carnegie Mellon University
Type du(des) commanditaire(s) : 
Université
Nom(s) de(s) auteur(s): 
Constantine Samaras
Nom(s) de(s) auteur(s): 
Kyle Meisterling
Type de(des) auteur(s): 
UniversitŽ
Objectifs et frontières du système
Unité fonctionnelle: 
1km of Vehicle Travel in the United States
Objectifs, hypothèses et limites: 
The analysis aims to build on the previously existing literature of Plug-in Hybrid Electronic Vehicles by including several aspects that have been previously omitted including; reenhouse gas emissions from battery production, sensitivity analysis of changes in the electricity mix, vehicle efficiencies, battery characteristics, and biofuel use in order to provide a more detailed analysis of the comparisons between traditional hybrid vehicles, plug-in hybrids, and gasoline-powered vehicles.

Based on American averages for greenhouse gas emissions intensity of electricity, plug-in hybrid vehicles are shown to reduce greenhouse gas emissions in comparison to conventional vehicles. However this conclusion is highly dependent based on the energy sources of energy production, time of day, season and region of the charged battery. The authors' further conclude that if alternative energy sources could be used, such as biofuels, there could be an even greater benefit and reduction of greenhouse gas emissions through the use of plug-in hybrid electric cars. 

In this case the full report

In this case the full report of this assessment needs to be known by everyone, we need to be able to weight our options on real facts, only this way we can make a difference. I put my old car in donate car USA a long time ago being convinced that a new car will produce lower emissions, which is true, but how to do we make the old cars reduce their emissions? The biofuels alternatives sounds like a go go for now...


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