President Dwight Eisenhower's Interstate Highway System had positive multiplier effects for the American economy.

FORBES: America's Dead Wealth Problem

And, similar to Dyson, Lugg is proposing to achieve these radical efficiencies by coordinating multiple engine systems (analogous to the acceleration, inducement and entrainment of the Air Multiplier) to create optimal conditions for each stage of flight and to use the excess energy the system produces to create a plasma field to reduce drag and eliminate sonic boom.

FORBES: For Radical Innovation, Nature Loves A Vacuum