Percentage of oil import reduction due to efficiency gains in selected countries, 2000-2018 Openexpand
Energy RD&D budgets by technology in selected IEA countries and the European Union, 2017-2018 Openexpand
District heating's share of residential energy demand and share of fossil fuel in district heating, 2017 Openexpand
Energy service company activities in Austria by sector, public/private and EPC contract type, 2017 Openexpand