Rehmatulla, N; Haji Hosseinloo, S; Smith, T; Calleya, J; (2015) The diffusion of energy saving technologies in shipping. In: (Proceedings) SCC 2015, International Conference on Shipping in Changing Climates, 24-26 November 2015, Glasgow, UK.

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Abstract

Energy efficiency technologies are a key enabler for shipping’s transition towards a low carbon future. Numerous energy saving technologies have been suggested but their implementation is not well known. To that end various attempts have been made to assess the uptake of these technical energy efficiency measures in shipping. The research described in this paper goes further than the general level implementation of the measures by assessing the implementation at the ship level (e.g. by ship type and ship size) and at the company level (e.g. type of company and size of company) thus enabling to build an accurate picture of the take-up of these measures. This is done through a survey of over 270 shipping companies, across 30 countries. Thereafter, a framework is developed to reliably forecast uptake of energy efficiency innovations in shipping. The results from the survey suggest the widespread use of bulbous bows, pre/post-swirl devices, engine modifications, lowering design speed and de-rating. The framework developed in the paper could be a suitable way forward to forecast future take-up of energy efficiency technologies in shipping.

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