As States Sue, They Warn ACE Rule Penalizes Existing GHG Programs

California and other states with market-based programs to cut power sector greenhouse gas emissions charge in a new suit that EPA’s Affordable Clean Energy (ACE) rule, which replaces the broader Obama-era Clean Power Plan (CPP), is unlawful under the Clean Air Act and penalizes states that try to work together to cut emissions. California is “part of a . . . region-wide grid . . . and this effort to roll [the CPP] back will hurt our efforts going forward,”...