States: Massachusetts official downplays reports of RGGI tensions

Massachusetts officials are seeking to downplay reports of tensions among states participating in the Regional Greenhouse Gas Initiative (RGGI) over the program's future stringency, noting that though the Bay State supports a more aggressive cap decline, states are still in discussions over how to proceed post-2020. “We want to make sure that we're taking the input of all member states to make sure that we strike the right balance between greenhouse gas reduction goals with the economics around different levels...