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Energy efficiency: Lessons from transport


  • Moriarty, Patrick
  • Honnery, Damon


Many researchers have stressed the apparently great potential for improvements in energy efficiency to dramatically decrease total energy use, but despite steady progress in the technical efficiency gains, global primary energy use continues to rise. For transport, we show how the concept of energy efficiency has been progressively expanded over time, as our ideas on what constitutes transport output useful to individuals has evolved. Even the energy inputs regarded as necessary for transport have undergone revision, because of the need to compare different modes. Finally we discuss the relevance of the changes in our notions of transport efficiency for energy efficiency in general.

Suggested Citation

  • Moriarty, Patrick & Honnery, Damon, 2012. "Energy efficiency: Lessons from transport," Energy Policy, Elsevier, vol. 46(C), pages 1-3.
  • Handle: RePEc:eee:enepol:v:46:y:2012:i:c:p:1-3 DOI: 10.1016/j.enpol.2012.04.056

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    References listed on IDEAS

    1. Moriarty, Patrick & Honnery, Damon, 2011. "Is there an optimum level for renewable energy?," Energy Policy, Elsevier, vol. 39(5), pages 2748-2753, May.
    2. Lyons, Glenn & Urry, John, 2005. "Travel time use in the information age," Transportation Research Part A: Policy and Practice, Elsevier, vol. 39(2-3), pages 257-276.
    3. Steg, Linda, 2005. "Car use: lust and must. Instrumental, symbolic and affective motives for car use," Transportation Research Part A: Policy and Practice, Elsevier, vol. 39(2-3), pages 147-162.
    4. Oikonomou, V. & Becchis, F. & Steg, L. & Russolillo, D., 2009. "Energy saving and energy efficiency concepts for policy making," Energy Policy, Elsevier, vol. 37(11), pages 4787-4796, November.
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