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The New Zealand Seafood Industry Council Ltd
Resources here relate to case studies and articles relating to general energy efficiency.
New Zealand Inshore Trawl Gear and Operations Survey
This project was funded by the New Zealand Seafood Industry Council and Seafood Innovations Ltd with the aim of providing baseline information to facilitate future work by the New Zealand seafood industry focused on identifying opportunities to reduce energy consumption. Information was obtained in face to face interviews with skippers and vessel operators, with the information collected via these questionnaires entered into a database.

The report provides data on the trawl gear used by, and operations of, vessels in the New Zealand inshore trawl fishery as of mid-2007. It identifies the configuration, components and nature of trawl gear use in different operations to develop an overall picture of trawl gear use. The report summarises key findings and, in many cases, presents these on a regional basis to help identify differences worthy of further investigation. Recommendations for further work are also provided.

Information contained in the database may be made available to support industry initiatives subject to issues of confidentiality etc. Requests for access to information from the database can be made to Seafood Innovations.

Wageningen IMARES Energy Saving in Fisheries
A comprehensive report from a European Union joint project on possibilities for energy savings. A list of different ideas has been tested and evaluated. Both the energetic aspects as well as the economic aspect are considered.

Energy Saving in Fisheries can be downloaded of the ISMARAN website (Big PDF: 14.2 MB) 

The Seafish Guide to Improving Fuel Efficiency
Seafish is United Kingdom's Sea Fish Industry Authority.  This guide gives a brief overview of eight key areas where significant cost reductions or improvements to efficiency can be made.
It's a Drag, Seafood New Zealand, August 2007
This article explores energy use in trawling, monitoring fuel consumption and data collection.
It's a drag 4.8MB
Options for Improving Fuel Efficiency in the UK Fleet
This report summarizes the main findings from a Seafish research project to identify possible routes to more efficient fuel use. The findings can give skippers and owners information about fuel efficient practices and provide guidance on evaluating investment in new equipment needed to adopt new practices.
Energy Efficiency in Fisheries. Brussels: EU Conference Proceedings, 2006
The conference aimed to help the fishing sector achieve environmentally and economically sustainable fishing. It brought together representatives from the sector, technologists, economics and other industry experts. The conference addressed the various means of reducing fuel dependency through technical solutions to increase energy efficiency and analyse the prospects for alternative energy sources. This set of proceedings contains 18 papers covering economic effects of oil price increases, propulsion technology trawl gear technology and alternative fuels.
Economic performance and fishing efficiency of marine capture fisheries. FAO Fisheries Technical Paper 482, 2005
This paper predominantly presents the findings of country level studies on the economic and financial performance of marine capture fisheries on 13 countries.  However, it also contains the findings of two empirical studies on fishing efficiency related to twin rig and single rig trawling.
Strategies for improving fuel efficiency in the Portuguese trawl fishery, 2008

This study identifies the energy-economy potential for Portuguese fish trawlers after altering a vessel's operating conditions and improving its trawl gear performance.

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Energy consumption in the Norwegian fisheries, 2008
An investigation into the fuel use in the Norwegian fishing fleet, comparing fuel use for different fishing methods.

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Fuel and financial savings for operators of small fishing vessels

This is a basic guide by FAO on fuel savings in fisheries.  It draws on much of the research and experience of the past two decades.  The guide aims to assist owners and operators of fishing vessels of up to about 16 m in improving and maintaining the energy efficiency of their vessels.

Fuel and Financial Savings for Operators of Small Fishing Vessels is found on the FAO website.