Vessel accident oil-spillage: Post US OPA-90

Vessel accident oil-spillage: Post US OPA-90

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Article ID: iaor2003549
Country: United Kingdom
Volume: 6D
Issue: 6
Start Page Number: 405
End Page Number: 415
Publication Date: Nov 2001
Journal: Transportation Research. Part D, Transport and Environment
Authors: , ,
Keywords: water, biology, petroleum, ecology
Abstract:

The vessel accident oil-spillage literature has focused on oil-cargo vessels, tankers and tank barges, implicitly assuming that these vessels incur greater accident oil-spillage than other (i.e., non-oil-cargo) vessels which just carry oil in their fuel tanks. This study investigates the validity of this assumption for the post US OPA-90 (Oil Pollution Act of 1990) period by investigating determinants of vessel accident oil-spillage, where one of the hypothesized determinants is type of vessel (including both oil-cargo and non-oil-cargo vessels). Tobit regression estimates of vessel accident oil-spillage functions suggest that tank barges have incurred greater in-water and out-of-water oil-spillage for the post OPA-90 period than non-oil-cargo vessels; alternatively, tankers have not incurred greater out-of-water (in-water) oil-spillage than non-oil-cargo vessels (except for freight ships). The policy implication is that greater attention needs to be given to reducing tank barge accident oil-spillage in the post OPA-90 period.

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