Higher prices feed food-versus-fuel fight

Michigan has five operating ethanol plants and two under construction.

But just what proportion of the state’s corn should be used to make ethanol?

Corn growers insist that criticism that biofuels will increase food prices is misplaced.

Criticism, money, doubts stall biomass

Optimistic plans for biomass plants in the state are largely on hold, leaving the expansion of a highly publicized renewable energy source up in the air.

Proposals to add to the existing seven commercial biomass plants have faced problems ranging from public backlash to funding to concerns about fuel supplies.