“…In Norway and Denmark, subsidies largely take the form of generous waivers of sales taxes; in China they mainly comprise combinations of federal, provincial, and registration incentives in vehicle ownership-restricted cities. 1,720 1,740 1,760 1,780 1,800 1,820 1,840 1,860 1,880 1,900 2010 2011 2012 2013 2014 2015 2016 2017 Width (mm) 4,000 4,100 4,200 4,300 4,400 4,500 4,600 4,700 4,800 4,900 5,000 2010 2011 2012 2013 2014 2015 2016 2017 Length (mm) 2,500 2,550 2,600 2,650 2,700 2,750 2,800 2,850 2,900 2,950 2010 2011 2012 2013 2014 2015 2016 (Xing, Leard, and Li 2019;Sheldon and Dua 2018). Indeed, our own previous research suggests that detailed choice-model-based counterfactuals do allow for a more precise estimation of the fuel savings (equivalent to CO 2 savings) (Sheldon and Dua 2018).…”