Fiscal Policy and $$\hbox {CO}_{2}$$ CO 2 Emissions of New Passenger Cars in the EU

Abstract

To what extent have national fiscal policies contributed to the decarbonisation of newly sold passenger cars? We construct a simple model that generates predictions regarding the effect of fiscal policies on average CO 2 emissions of new cars, and then test the model empirically. Our empirical strategy combines a diverse series of data. First, we use a large database of vehicle-specific taxes in 15 EU countries over 2001-2010 to construct a measure for the vehicle registration and annual road tax levels, and separately, for the CO 2 sensitivity of these taxes. We find that for many countries the fiscal policies have become more sensitive to CO 2 emissions of new cars. We then use these constructed measures to estimate the effect of fiscal policies on the CO 2 emissions of the new car fleet. The increased CO 2 -sensitivity of registration taxes have reduced the CO 2 emission intensity of the average new car by 1.3 %, partly through an induced increase of the share of diesel-fuelled cars by 6.5 percentage points. Higher fuel taxes lead to the purchase of more fuel efficient cars, but higher diesel fuel taxes also decrease the share of (more fuel efficient) diesel cars; higher annual road taxes have no or an adverse effect.Keywords Vehicle registration taxes · Fuel taxes · CO 2 emissions JEL Classification H30 · L62 · Q48 · Q54 · Q58 · R48 B Reyer Gerlagh r.gerlagh@uvt.nl

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