This paper discusses the main external costs related to road transport and the design of taxes to manage them. It provides an overview of evolving tax practice in the European Union and the United States and identifies opportunities for better alignment of transport taxes with external costs....

Road transport is a source of emissions of which nitrogen oxides (NOX), particulate matter (PM2.5), and carbon dioxide (CO2) emissions are most damaging. The economic inefficiency caused by not including the emission externalities of vehicle operation in prices can be improved by using a vehicle...