Republican Gov. Phil Scott plans to veto clean heat legislation for the second year in a row, saying the bill is expensive and punitive.

Democrats backing aggressive climate policies won or were leading in eight of 12 of the most contested gubernatorial races after voting Tuesday.

Vermont Gov. Phil Scott vetoed a bill to create a Clean Heat Standard, saying it had no detail on costs and impacts.

Vermont and Maine will put $136 million in federal aid into climate and energy initiatives; Massachusetts is looking to spend $400 million on those sectors.