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![Page 1: National Environmental Research Institute, University of Aarhus, Denmark Biofuels for transport – environmental effects and costs From Agenda to Action.](https://reader035.fdocuments.net/reader035/viewer/2022072006/56649d175503460f949ed67c/html5/thumbnails/1.jpg)
National Environmental Research Institute, University of Aarhus, Denmark
Biofuels for transport – environmental effectsand costs
From Agenda to Action – A California/Denmark Workshop on Clean Technology29th of January to 2nd of February 2007 Jytte Boll IllerupDepartment of Policy Analysis
National Environmental Research Institute
University of Aarhus
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National Environmental Research Institute, University of Aarhus, Denmark
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About the project
• The project is funded by the Strategic Research Council, Program Committee for Energy and Environment in Denmark
• The budget for the project is 15,000,000 DKK (2,500,000 US$) for the period 2007 to 2010.
• 7 institutes participate in the project:– National Environmental Research Institute (Department of Policy
Analysis), University of Aarhus– National Environmental Research Institute (Department of Atmospheric
Environment), University of Aarhus– Risø National Laboratory (Department of System Analysis), Technical
University of Denmark – Danish Transport Research Institute, Technical University of Denmark – Danish Technological Institute (Renewable Energy and Transport)– Department of Chemical Engineering, Technical University of Denmark– Institute of Public Health, University of Copenhagen
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National Environmental Research Institute, University of Aarhus, Denmark
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Background
• Biofuels have been in political focus for the last years, both internationally and in Denmark, because there is a desire to – reduce GHG emissions– enhance energy supply security
• For the European Union, the EU Biofuel Directive has set a target of 5.75% by 2010 for the biofuel share of transport fuels and the EC has proposed a target of 10 % for 2020.
• For Denmark the target is 10 % by 2020.
• Until now no detailed analyses of the nationwide implications in terms of changes in emissions, land use and other environmental effects have been undertaken.
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National Environmental Research Institute, University of Aarhus, Denmark
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Objectives
• To carry out a multi-disciplinary integrated impact assessment of introducing biofuels in Denmark, by covering both application and resource sides, and addressing a broad range of impacts, i.e. – emission and air quality changes– health aspects– resource and land use changes– economic and sociological aspects.
• To compare impacts of using– biofuels (e.g. bioethanol, biodiesel) against using conventional fossil fuels
in the transport sector.– biofuels (ethanol, biodiesel) in the transport sector against using biofuels
in other sectors (combined heat and power).
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National Environmental Research Institute, University of Aarhus, Denmark
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Project plan
• Eight different work packages (WP) covering
– scenario development– emission measurements and modelling– air quality and exposure modelling – land-use modelling– socioeconomic and sociological analyses
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National Environmental Research Institute, University of Aarhus, Denmark
WP VIII:Sociological
aspects
WP I:Scenarios
WP VI:Biomass production- spatial distribution
and environmental impact
WP II:Emission
calculations
WP III:Measurements
WPIV: Formation and transformation of pollutants
WP VII:Welfare economic
analyses
WP V:Environment and health
Project approach
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National Environmental Research Institute, University of Aarhus, Denmark
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WP IScenarios in a renewable energy system
ResultThree different scenarios to 2030 for two biofuels (ethanol and diesel).These scenarios form the basis for all the other WPs.
Content• A baseline scenario based on national energy projections, and EC
policies and resource assessments. • The baseline scenario but with increasing use of biofuels from 2010 to
2030.• An impact-adopted scenario in which the use of biofuels is adopted to
given environmental limits.
Inputs from WP VIII: Sociological aspectsOutput to WP II: Emission calculations and VI: Biomass production
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National Environmental Research Institute, University of Aarhus, Denmark
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WP II Emission inventory and projections
ResultQuantification and comparison of the ‘Well to wheel’ (WTW) emissions from the scenarios described in WP I.
Content• WTW emission estimates for
– greenhouse gases (CO2, CH4 and N2O)– air pollutants SO2, NOx, NMVOC (including PAHs and carbonyls)– PM (particle number, size distribution and chemical composition).
• Projection of national emissions by means of forecast emission models for stationary combustion and mobile sources.
• Geographic distribution of emissions
Inputs from WP I: Scenarios and WP III: MeasurementsOutput to WP V: Environment and health
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National Environmental Research Institute, University of Aarhus, Denmark
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WP V Environmental and health impact assessment Result
Description of impacts of using biofuels with focus on air quality, deposition, human exposure and public health.
Content• Estimate
– air quality by means of air quality models– dose-response relationships related to biofuels
• In vitro toxicological assessment of PM exposure with respect to– inflammation– oxidative stress (PhD study).
Inputs from WP II: Emission calculations and WP III: MeasurementsOutput to WP VII: Welfare economic analyses
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National Environmental Research Institute, University of Aarhus, Denmark
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WP III + IV Emission measurements
ResultMeasurements of exhaust emissions (CO, NOx, HC and VOCs (e.g. PAHs and carbonyls including acetaldehyde), PM) and determination of particle-size distributions and the chemical composition of PM.
Content• Testing of two modern diesel engines with different PM/NOx
performance (different emission reduction methods) and a flexi-fuel gasoline engine with three-way catalyst on an engine test rig.
• Investigate the negative emission effects on particulate filter lifetimes.• Development of models for particle formation and combustion
in engines. Simulations will be compared with experimental results (PhD study).
Output to WP II: Emission calculations
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National Environmental Research Institute, University of Aarhus, Denmark
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eWP VIProduction of biomass, its spatial distribution and its impact on the environment Result
Estimation of potentially available biomass resources from agriculture crop production and environmental impacts of land-use change scenarios.
Content• Develop models for spatial distribution of non-food crop production. • Assess the effects of the land-use change on nutrition and pesticide
emissions, and changes in carbon sequestration potential in biomass and soil.
• Develop spatial land-use scenarios which balance the demand for biomass production with environmental, nature and landscape protection (PhD study)
Inputs from WPI: ScenariosOutput to WP I and VII: Scenarios and welfare economic analyses
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National Environmental Research Institute, University of Aarhus, Denmark
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WP VIIWelfare economic analyses of biofuel
production and use Result
‘Well to wheel’ welfare economic analyses of various biofuel scenarios.
ContentThe welfare cost-benefit analyses will include economic evaluation of • costs of production and use of biofuels• environmental and health consequences (positive and negative)• effects on the Danish agricultural landscape• impacts of increased energy security (Post Doc)
Inputs from WP V: Environment and health and WP VI: Biomass production
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National Environmental Research Institute, University of Aarhus, Denmark
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WP VIIISociological aspects of scenarios for biofuels in the transport sectorResult: Sociological analysis of attitudes among the Danish population to the
consequences of the use of biofuels.
Content:The study will include in-depth interview with selected respondents as well as a number of focus-group interviews.– ethical and environmental questions– cultural approaches and future perspectives
Input from WP I: Scenarios Output to WP I: Scenarios
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National Environmental Research Institute, University of Aarhus, Denmark
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Applications of the project
• Contribution to the scientific debate on biofuels in Denmark.
• Providing a solid foundation for the national and European policy process, and for decision-making by, among others, the European Environment Agency.
• Serving as input to environmental declarations for fuels.