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1.
Environ Sci Technol ; 48(4): 2157-64, 2014 Feb 18.
Artigo em Inglês | MEDLINE | ID: mdl-24467277

RESUMO

Air pollution emissions regulation can affect the location, size, and technology choice of potential biofuel production facilities. Difficulty in obtaining air pollutant emission permits and the cost of air pollution control devices have been cited by some fuel producers as barriers to development. This paper expands on the Geospatial Bioenergy Systems Model (GBSM) to evaluate the effect of air pollution control costs on the availability, cost, and distribution of U.S. biofuel production by subjecting potential facility locations within U.S. Clean Air Act nonattainment areas, which exceed thresholds for healthy air quality, to additional costs. This paper compares three scenarios: one with air quality costs included, one without air quality costs, and one in which conversion facilities were prohibited in Clean Air Act nonattainment areas. While air quality regulation may substantially affect local decisions regarding siting or technology choices, their effect on the system as a whole is small. Most biofuel facilities are expected to be sited near to feedstock supplies, which are seldom in nonattainment areas. The average cost per unit of produced energy is less than 1% higher in the scenarios with air quality compliance costs than in scenarios without such costs. When facility construction is prohibited in nonattainment areas, the costs increase by slightly over 1%, due to increases in the distance feedstock is transported to facilities in attainment areas.


Assuntos
Poluição do Ar/economia , Poluição do Ar/prevenção & controle , Biocombustíveis/economia , Celulose/economia , Poluentes Atmosféricos/análise , Poluentes Atmosféricos/economia , Custos e Análise de Custo , Etanol/economia , Modelos Teóricos , Estados Unidos
2.
Environ Sci Technol ; 43(18): 6907-14, 2009 Sep 15.
Artigo em Inglês | MEDLINE | ID: mdl-19806719

RESUMO

California's low carbon fuel standard (LCFS) was designed to incentivize a diverse array of available strategies for reducing transportation greenhouse gas (GHG) emissions. It provides strong incentives for fuels with lower GHG emissions, while explicitly requiring a 10% reduction in California's transportation fuel GHG intensity by 2020. This paper investigates the potential for cost-effective GHG reductions from electrification and expanded use of biofuels. The analysis indicates that fuel providers could meetthe standard using a portfolio approach that employs both biofuels and electricity, which would reduce the risks and uncertainties associated with the progress of cellulosic and battery technologies, feedstock prices, land availability, and the sustainability of the various compliance approaches. Our analysis is based on the details of California's development of an LCFS; however, this research approach could be generalizable to a national U.S. standard and to similar programs in Europe and Canada.


Assuntos
Carbono/análise , Recuperação e Remediação Ambiental/métodos , Gasolina/análise , Química Verde/métodos , Tecnologia/métodos , Fontes de Energia Bioelétrica/economia , Fontes de Energia Bioelétrica/tendências , Eletricidade , Recuperação e Remediação Ambiental/economia , Química Verde/economia , Efeito Estufa , Tecnologia/economia
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