A 45% reduction is provided when the electric motor is over 50 kW and the engine cylinder volums under 1800 cm3. A 90% reduction is provided when the electric motor is over 100 kW and engine cylinder volume under 2500 cm3. IEA/IRENA Global Renewable Energy Policies and Measures Database © OECD/IEA and IRENA, [November 2020]