The paper challenges the existing sustainable transport literature. Most sustainable transport plans focus on the reduction of greenhouse gas emissions in either one region or country and this neglects two handicaps of strong unilateral action. The first is that climate is a global commons...

The paper collects comprehensive and detailed data on what 40 OECD and G20 economies do with the revenues from carbon taxes, emissions trading systems, and excise taxes on energy use. It notes that constraints – which can take the form of political commitments or legal earmarks – on revenue...