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Sökning: LAR1:cth > Högskolan i Gävle > (2008)

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1.
  • Hillman, Karl, 1978, et al. (författare)
  • Cumulative causation in biofuels development: a critical comparison of the Netherlands and Sweden
  • 2008
  • Ingår i: Technology Analysis and Strategic Management. - : Informa UK Limited. - 0953-7325 .- 1465-3990. ; 20:5, s. 593-612
  • Tidskriftsartikel (refereegranskat)abstract
    • Supporting the development and diffusion of sustainable innovations has become a dominant topic on the political agenda of many countries. However, this has proven to be a difficult task. To increase insight in such processes, this paper takes biofuel technologies in the mobility sector as the topic of a comparative case study. Various national governments have supported innovation trajectories around biofuels. We analyse, assess and compare two such trajectories as they have developed so far: one in the Netherlands and one in Sweden. A Technological Innovation System (TIS) approach is applied. A TIS is constituted by actors, networks and institutions, that are to be gradually constructed around a technology. We analyse whether governments and entrepreneurs have succeeded in developing seven key processes, or system functions, necessary for the development and diffusion of biofuel technologies. By analysing the build-up of system functions over time we identify virtuous and vicious forms of cumulative causation. The Dutch and Swedish TISs for biofuels are followed from 1990 to 2005. Our comparison shows that, due to a variety in function fulfilment and the emergence of cumulative causation, the Swedish TIS has reached a market expansion and broad social implementation of biofuels, whereas the Dutch TIS has established considerably less.
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2.
  • Hillman, Karl (författare)
  • Environmental Assessment and Strategic Technology Choice : The Case of Renewable Transport Fuels
  • 2008
  • Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
    • The scale of the required changes is huge, and time is limited if we are to avoid the most severe effects of climate change. To reduce greenhouse gas emissions from road transport, several fuels and electricity originating from renewable energy sources have been proposed, all of them in different stages of development and with various and shifting environmental impacts. This thesis aims at increasing the usefulness of environmental assessments of emerging technologies as a basis for strategic technology choice. Recommendations for the design and interpretation of such assessments are presented, with a special focus on life cycle assessment (LCA) methodology. A long time perspective, the possibility of system change, and the inclusion of socio–technical change processes allows for the revision of methodological assumptions normally made in LCA of current products. To guide the selection of technologies, there is need for assessment both of technology and of interventions. For the assessment of technology, an attributional approach is applied. Paper I discusses and tests the feasible futures and future performance to be considered in attributional LCAs. The results indicate that the environmental impact attributable to a number of selected fuels, as well as the ranking of them, largely depend on assumptions regarding background systems and by-product use. For the assessment of interventions, a consequential approach is applied. Extensive studies of socio–technical change processes contribute insight into relevant cause–effect chains that can be included in environmental assessments of emerging technologies. A comparison between the Swedish and the Dutch innovation systems for renewable fuels reveals the unfolding of dynamics influenced by shared background factors (Paper II). An investigation of the Swedish history of alternative fuels is used in developing a framework for analysing interaction between emerging technological systems (Paper III). Insights into socio–technical change processes are then used to elaborate scenarios for the future development of renewable fuels in Sweden resulting from current policy choices (Paper IV). In a final paper (Paper V), historical and future cause–effect chains are taken into account in a consequential LCA of ethanol of varying origins in Sweden for the 1990–2020 period. It is concluded that for emerging technologies in an early stage of development, the contribution of an intervention to system change may be more important than the direct change in environmental impact. Finally, it is suggested that all aspects of socio–technical change and the resulting environmental impact may not have to be included in quantitative environmental assessments, such as LCA. ‘Environmental assessment’ could very well include a group of parallel studies that illuminate different cause–effect chains resulting in changed environmental impact, and that are part of a society-wide learning process.
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3.
  • Hillman, Karl, 1978, et al. (författare)
  • Exploring technology paths: The development of alternative transport fuels in Sweden 2007–2020
  • 2008
  • Ingår i: Technological Forecasting and Social Change. - : Elsevier BV. - 0040-1625 .- 1873-5509. ; 75:8, s. 1279-1302
  • Tidskriftsartikel (refereegranskat)abstract
    • By using socio-technical scenarios, we investigate how present policy choices may affect the development of alternative transport fuels in Sweden. One important choice for policy lies in the balance between general tax exemptions stimulating the market for alternative fuels, and funding of research and development more directly promoting new technology. The implications of this choice are illustrated with four diverging development paths until 2020. In the market-oriented scenarios, we illustrate consequences of breaking the dominance of entrenched technologies and demonstrating a growing market potential for alternatives, but also the risks with a large focus on first generation renewable fuels. In the technology-oriented scenarios, we point out the value of keeping variety among niches in this stage of the transition. In conclusion, if policy is implemented without taking the dynamic forces within the system into account, there is a risk that any measure leads the system into a dead end. But if policy strives to balance the development in different parts of the technological system while making use of various prevailing forces of change, a multitude of different efforts can contribute to the development of a more sustainable transport system. © 2008 Elsevier Inc. All rights reserved.
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