Adapting the Directive 2009/33/EC on the promotion of clean and energy-efficient road transport vehicles. Public authorities who purchase cars or lease them for at least one year are to take into account the car's energy and environmental impact throughout their entire period of use in the procurement process. IEA/IRENA Global Renewable Energy Policies and Measures Database © OECD/IEA and IRENA, [November 2020]