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Alternative Pathways to a Fossil-Fuel Free Energy System in the Mälardalen region of Sweden
Mälardalens högskola, Akademin för hållbar samhälls- och teknikutveckling. (PRO)ORCID-id: 0000-0002-7233-6916
Mälardalens högskola, Akademin för hållbar samhälls- och teknikutveckling. (PRO)ORCID-id: 0000-0002-3485-5440
Mälardalens högskola, Akademin för hållbar samhälls- och teknikutveckling. (PRO)ORCID-id: 0000-0003-0300-0762
2007 (Engelska)Ingår i: International journal of energy research (Print), ISSN 0363-907X, E-ISSN 1099-114X, Vol. 31, nr 12, s. 1226-1236Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

This paper presents a study on alternative pathways to a fossil-fuel free regional energy system in the Mälardalen region of Sweden with a population of 3 million inhabitants. We describe and address how the region can be made independent of fossil fuels by integration of resource management, technology advances, and behaviour change in energy use. First we investigate the consumption pattern of the inhabitants. Then we study what resources are available, and how these can be used to fulfil the different demands. If we just use the resources in a pattern of business as usual today without changing the behaviour, the balance between demands and resources is difficult to reach. By combining a slightly different behaviour and a change of crops we can fulfil the needs and it might even be possible to have a surplus of resources. Some advanced technological solutions have also been proposed. For example, dedicated biomass energy plants such as Salix, straw, hemp and some cereals can be used for ethanol production and the residues can be gasified to produce dimethylether (DME), which is good as a replacement for diesel fuel. Still the fueldemand for transport is high, and the vehicle weight could be further reduced. For example, by going back to the car size we had only 10 years ago the weight would be 25-30% less, and fuelconsumption would be at least 15% lower. With diesel engines instead of Otto engines the fuel consumption could be reduced by 35%, and with hybrid technology additional 20% fuel reduction could be gained. Improved public transportation will also give a positive effect especially for those commuting between the larger cities and between the cities and the suburbs. The results of our calculations show that it would be possible to accomplish a fossil-free energy system in the Mälardalen region. The results of this study are important since it shows that an energy balance without fossil fuels could be possible for an area with a population in the order of 3 million people, which would also be valuable in studies of other areas in the world.

Ort, förlag, år, upplaga, sidor
2007. Vol. 31, nr 12, s. 1226-1236
Nationell ämneskategori
Naturvetenskap
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URN: urn:nbn:se:mdh:diva-1382DOI: 10.1002/er.1330ISI: 000249456000010Scopus ID: 2-s2.0-34748861477OAI: oai:DiVA.org:mdh-1382DiVA, id: diva2:54508
Tillgänglig från: 2008-10-16 Skapad: 2008-10-16 Senast uppdaterad: 2017-12-07Bibliografiskt granskad

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