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
Household energy expenditure savings due efficiency improvements in selected countries since 2000 Openexpand