In Italy, in 2011 the Superbollo tax was introduced for newly registered cars exceeding 185 kW. Although the aim of the tax was not to reduce CO2 emission as it was actually aimed at increasing government revenues during the economic crisis, we show that it had significant and unexpected impacts...

This paper presents the results of an ex post evaluation of the impacts of a vehicle tax reform in Ireland, by carrying out a full social cost benefit analysis of a vehicle tax reform that began in Ireland in 2008 and shows that whilst successful in improving the fuel economy of new passenger...

In 2007, the Norwegian government reformed the vehicle registration tax in order to reduce the carbon intensity of the new car fleet by incentivizing the purchase of more fuel efficient cars. This paper identifies the impact of the new tax structure on three main dimensions: (i) the average CO2...