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
Distance from New Hampshire to Massachusetts is 89 kilometers. This air travel distance is equal to 55 miles. The air travel (bird fly) shortest distance between New Hampshire and Massachusetts is 89 km= 55 miles. If you travel with an airplane (which has average speed of 560 miles) from New Hampshire to Massachusetts, It takes 0.1 hours to arrive. New Hampshire. New Hampshire is located in United States.