== Abstract ==

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This paper investigates why material throughput remains high in the UK automotive industry when there are opportunities for material efficiency improvements. Informed by socio-technical studies of automobility, the paper emphasises the importance of recognising how decisions regarding material use are always shaped by more than simply cost considerations. Drawing on industry interviews, six interconnected socio-technical factors are identified that guide the vehicle design and manufacturing process. These are: (1) customer preferences; (2) market positioning; (3) techno-economic feasibility; (4) supply chain feasibility; (5) regulation and (6) organisational attributes. These factors can provide insights into the current operating context of the UK automotive industry and help explain why the average material intensity of vehicles and vehicle throughput are increasing. Overall, the paper shows that the efficiency of material use in the UK automotive industry is the outcome of complex and advanced design and manufacturing processes. Understanding these processes and the factors that guide them can potentially increase the likelihood of the automotive industry adopting material efficiency initiatives. S. Cooper is supported by a UK Engineering and Physical Sciences Research Council (EPSRC) PhD studentship (reference EP/L504920/1). Professor J.M. Allwood and Dr B.J. Doody by grant number EP/N02351X/1. None of the funding sources were involved with conducting the research.

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== Original document ==

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The different versions of the original document can be found in:

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* [http://dx.doi.org/10.17863/cam.13343 http://dx.doi.org/10.17863/cam.13343]

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* [https://doi.org/10.1016/j.jclepro.2017.04.014 https://doi.org/10.1016/j.jclepro.2017.04.014] under the license cc-by

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* [https://www.repository.cam.ac.uk/handle/1810/267355 https://www.repository.cam.ac.uk/handle/1810/267355] under the license http://creativecommons.org/licenses/by/4.0/

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* [https://api.elsevier.com/content/article/PII:S0959652617307102?httpAccept=text/xml https://api.elsevier.com/content/article/PII:S0959652617307102?httpAccept=text/xml],

: [https://api.elsevier.com/content/article/PII:S0959652617307102?httpAccept=text/plain https://api.elsevier.com/content/article/PII:S0959652617307102?httpAccept=text/plain],

: [http://dx.doi.org/10.1016/j.jclepro.2017.04.014 http://dx.doi.org/10.1016/j.jclepro.2017.04.014] under the license https://www.elsevier.com/tdm/userlicense/1.0/

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* [https://www.sciencedirect.com/science/article/pii/S0959652617307102 https://www.sciencedirect.com/science/article/pii/S0959652617307102],

: [https://www.repository.cam.ac.uk/handle/1810/267355?show=full https://www.repository.cam.ac.uk/handle/1810/267355?show=full],

: [https://core.ac.uk/display/96707441 https://core.ac.uk/display/96707441],

: [http://publications.eng.cam.ac.uk/909652 http://publications.eng.cam.ac.uk/909652],

: [http://www.sciencedirect.com/science/article/pii/S0959652617307102 http://www.sciencedirect.com/science/article/pii/S0959652617307102],

: [https://academic.microsoft.com/#/detail/2604952598 https://academic.microsoft.com/#/detail/2604952598]

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DOIS: 10.17863/cam.13343 10.1016/j.jclepro.2017.04.014

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