If your buying a diesel to roll coal you need to spend your money elsewhere! what happens when you put a bag over the intake is you starve the turbo of air. therefor you fool your engine and it will keep feeding fuel. All that coal you speak of is unused fuel fyi. You will not maitain any fuel economy in doing so.
New Hampshire is a Dillon Rule state, meaning that the state retains all powers not specifically granted to municipalities. Even so, the legislature strongly favors local control, particularly with regard to land use regulations. New Hampshire municipalities are classified as towns or cities
New Boston is a town in Hillsborough County, New Hampshire, United States. The population was 5,321 at the 2010 census. New Boston is home to the annual Hillsborough County Agricultural Fair and the Molly Stark Cannon.