(CNN) -- The diesel-fueled world of Formula One may seem an unlikely source of inspiration for a major carbon-cutting initiative, but technology used for coordinating pit-stops is primed to slash emissions from airports across the globe.
According to Britain's National Air Traffic Services (NATS), more than half the planes landing at London's Heathrow airport are stuck in circles overhead -- often for 20 minutes at a time -- as they wait for its congested runways to clear.

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