Heavy duty vehicles pay a levy per km which varies regarding EURO-emission standard. Electric and hydrogen HDV are exempted from the tax. The ultimate goal of the policy is to internalize all external cost of heavy duty transport transiting the Swiss alps and to incentivize the shift to train cargo. IEA/IRENA Global Renewable Energy Policies and Measures Database © OECD/IEA and IRENA, [November 2020]