Once I parked the machine, I glanced at the trip speed registered on the dashboard: 208 mph (335 kmph).

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But railway planners talk of a two-day high-speed trip from Shanghai to London by 2025.

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On the last stretch of the short trip I drove the GTC Speed.

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To make things even worse, he had so much fun on the trip that it took him three days once he got home to get back up to speed.

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For the trip back to Detroit, I decided to drive the way I normally do, slightly over the speed limit, at around 75 miles an hour.

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