Economists promote energy taxes as cost-effective. But policymakers raise concerns about their regressivity, or disproportional burden on poorer families, preferring to set energy efficiency standards instead. I first show that in theory, regulations targeting energy efficiency are more...

We estimate a model of vehicle choice and miles driven to analyze the impact of fuel conservation policies in the Indian car market. Taxing diesel fuel to equalize diesel and petrol prices would reduce fuel consumption in the new car market by 7 percent and reduce diesel car sales by 26 percent....

In this paper, we explore automobile fuel efficiency policies in the presence of two externalities i) a global environmental problem; and ii) international innovation spillovers. Using a simple model with two regions, we show that both a fuel tax and a tax on vehicles based on their fuel economy...