Methane emissions from natural gas infrastructure and use in the urban region of Boston, Massachusetts McKain, K., et al. (2015), Methane emissions from natural gas infrastructure and use in the urban region of Boston, Massachusetts, Proc. Natl. Acad. Sci., 112, 1941-1946, doi:10.1073/pnas.1416261112. Read more about Methane emissions from natural gas infrastructure and use in the urban region of Boston, Massachusetts