These depots further reduce costs by reducing transportation requirements and distributing the financial burden across the nations that use Patriot.

FORBES: How The U.S. Military Can Use Sequester Cuts To Its Advantage

As I described in Part Two of this series, driverless cars have the potential of dramatically reducing the transaction costs associated with transportation, including the capital cost, depreciation, fueling, maintenance and insurance.

FORBES: How Traditional Automakers Can Still Win Against Google's Driverless Car: Part 5