Reports
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Cost of Capital Observatory
Tracking the cost of capital for clean energy projects in emerging and developing economies
Statistics report — 26 September 2025
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Clean Energy Transitions Programme 2023
Annual report 2023
Report — 27 March 2024
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Implementing Clean Energy Transitions
Focus on road transport in emerging economies
Country report — 29 August 2023
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Biofuel Policy in Brazil, India and the United States
Insights for the Global Biofuel Alliance
Report — 24 July 2023
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Clean Energy Transitions Programme 2022
Annual report 2022
Report — 31 March 2023
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Is the biofuel industry approaching a feedstock crunch?
Fuel report — 06 December 2022
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Clean Energy Transitions Programme 2021
Annual report 2021
Report — 31 March 2022
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Implementing Gas Market Reforms in Brazil
Insights from European experience
Country report — 10 December 2021
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Clean Energy Transitions Programme 2020
Annual report 2020
Report — 30 March 2021
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Japan 2021
Energy Policy Review
Country report — 04 March 2021
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Clean Energy Transitions Programme 2019
Annual report 2019
Report — 02 April 2020
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Oil Market Report - July 2019
Fuel report — 11 July 2019
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Oil Market Report - February 2019
Fuel report — 12 February 2019
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Towards a competitive natural gas market in Brazil
Country report — 27 September 2018
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Oil Market Report - July 2018
Fuel report — 11 July 2018
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Oil Market Report - January 2018
Fuel report — 18 January 2018
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Oil Market Report - June 2017
Fuel report — 13 June 2017
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Oil Market Report - March 2017
Fuel report — 14 March 2017
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Oil Market Report - February 2017
Fuel report — 09 February 2017
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Railway Handbook 2016
Produced in collaboration with the Union Internationale des Chemins de Fer
Technology report — 29 November 2016
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Gas Resiliency Assessment of Japan 2016
Report — 23 November 2016
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Energy Policies of IEA Countries: Japan 2016 Review
Country report — 20 September 2016
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Oil and Gas Emergency Policy: Japan 2013 update
Country report — 21 October 2012
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Sustainable Production of Second-Generation Biofuels
Report — 09 February 2010