Earth
Traffic fumes cost rich countries $0.8 trillion a year
In 34 wealthy nations, the smog from roads accounts for half of the $1.7 trillion cost of air pollution
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In 34 wealthy nations, the smog from roads accounts for half of the $1.7 trillion cost of air pollution
Devices that fire microwave blasts, scrambling cars' onboard computers, could soon allow the authorities to rein in suspect vehicles