Michigan Messenger: Gov. Jennifer Granholm’s single largest alternative energy project is a long way from proving itself. There is much uncertainty surrounding the plan to burn 375,000 cords of Michigan hardwood every year to create 40 million gallons of cellulosic ethanol for biofuel annually, raising concerns that it could do more financial and environmental harm than good. More than $100 million of private investment and another $125 million in public funds have been committed to what is now called …