InsideClimate: A new study charges that government regulations for biomass plants are riddled with loopholes that allow wood-burning facilities to spew more toxic emissions in the air than coal-fired power plants. The findings are refueling a controversy over whether biomass should be treated by regulators as a renewable energy fuel and able to qualify for green incentives, or be treated as a fossil fuel like coal. The study, conducted by the Massachusetts-based Partnership for Policy Integrity (PFPI), found that...