Hastings, Justine S.Williams, Michael A.2019-06-202019-06-202019-06-1934 J. Envtl. L. & Litig. 2191049-0280https://hdl.handle.net/1794/2468734 pagesIn this article, we discuss the role played by market share liability in the New Hampshire MTBE (methyl tertiary butyl ether) litigation. We examine the history of market share liability in litigation involving a number of products, as well as the strengths and weaknesses of market share liability in other areas of product liability litigation. We also discuss how market shares can be weighted to reflect the relative damages caused by similar—but not identical—products.en-USAll Rights Reserved.PollutionEnvironmental regulationLitigationLiabilityArticle