Here are the top stories at 7:30 a.m.
The state of Vermont has decided to fight the federal government over greenhouse gas emission standards for new cars and trucks; a new report shows the gasoline additive MtBE, which may cause cancer, has been found in drinking water wells throughout New Hampshire; Governor Jim Douglas has a new plan to fight obesity in the state; and a veteran member of the Berlin police department will become interim chief while a permanent replacement is sought for retired Chief William Jennings.