The nearly $1 billion Constitution Pipeline project, which had been designed to take natural gas from Pennsylvania’s shale gas fields to metropolitan New York and New England, has been abandoned after years of legal regulatory challenges made it economically unfeasible, a spokeswoman for project partner Duke Energy said Monday. “Although Constitution did receive positive outcomes in recent court proceedings and permit applications, the economics associated with this greenfield project have since changed in such a way that they no longer justify investment,” Duke spokeswoman Tammie McGee said by email. Duke is one of four project partners. The principal partner is The Williams Cos., based in Tulsa, Oklahoma. Others are Houston-based Cabot Oil and Gas and Calgary, Alberta-based Alta Gas. Williams, which has a 41% stake, said in its annual report last week that the Constitution project would suffer a 2019 loss of $354 million. Since […]