... considered the best for most of the transport. Though the costof fuel hasincreased over the years, trucks are still the main carrier ofcargo. Energy, is one of the most, if not the most important ... people live,locate to the Industrial Heartland to find jobs. There is a widespread of jobs in the industrialheartland-many differentoccupations are found there. Capital is the cash flow, equipment, ... transport's. Coal, limestone, andmany other kinds of mines use the Great Lakes totransport, which happens to be in the middle ofthe Industrial Heartland. They usually have tons of material to...