…”It’s encouraging to see increasing interest in regional mass-based trading. Allowing market participants the flexibility to determine how and where to reduce emissions results in environmental improvement at the least cost to ratepayers. This has proven to be the case in the [RGGI] states, where, since the program began, significant emissions reductions have coincided with lower electricity prices,” Jordan Stutt, policy analyst with think-tank Acadia Center, said… (This article is available only with a subscription to SNL Financial)