A 24-lane superhighway packed bumper to bumper would have to circle the globe 1.8 times to accommodate the world’s 440 million cars in 2000. By the year 2030, however, the superhighway to the future would have to circle the globe 4.25 times to accommodate the projected1020 million cars at that date. A hypothethical parking lot to accommodate this car population would cover all of Belgium.
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