New York is looking at a broader array of solutions as fossil plants retire and not enough renewables come online.

Massachusetts energy providers, consumers and climate advocates presented contrasting visions of what solutions should be included in a clean heat standard.

The money has been lined up to study whether to develop a Seattle-area landfill into a source for electric power or biofuel.

Some California lawmakers want the woody biomass from forest thinning efforts to be used for electricity generation.