OECD Taxation Working Papers

ISSN :
2223-5558 (online)
DOI :
10.1787/22235558
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Working papers from the Centre for Tax Policy and Administration of the OECD that cover the full range of the Centre’s work on taxation with the main focus on tax policy related issues.
 

The Diesel Differential

Differences in the Tax Treatment of Gasoline and Diesel for Road Use You or your institution have access to this content

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Author(s):
Michelle Harding1
Author Affiliations
  • 1: OECD, France

Publication Date
11 July 2014
Bibliographic information
No.:
21
Pages
37
DOI
10.1787/5jz14cd7hk6b-en

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Diesel and gasoline account for around 95% of energy used for road transport in the OECD and for the largest share of revenue from taxes on energy. In 33 out of 34 OECD countries, diesel fuel is taxed at lower rates than gasoline both in terms of energy and carbon content. To assess whether this difference is warranted from an environmental perspective, this paper examines the rationales for taxing both fuels, considering the externalities (including local air pollution, carbon emissions and other social costs related to road transport) associated with the use of each fuel and the fuel efficiency advantage of diesel vehicles. The revenue, distributional and competitiveness consequences of increasing tax rates on diesel are also briefly considered and the revenue effects of the tax treatment of diesel are shown to be significant. We conclude that the externalities associated with each fuel show that the lower tax rates that currently apply to diesel fuel are not justifiable from an environmental perspective. Reduction of the diesel differential is warranted. A gradual approach to removing the differential would allow the adverse distributional and competitiveness impacts to be mitigated during the transitional phase.