President Trump has issued an executive order that allows commercial flights across America to fly faster than the speed of sound. The order overturns what it refers to as “outdated and overly restrictive regulations”. It comes as companies are working on quieter supersonic aircraft, and instructs the Federal Aviation Administration (FAA) to create standards to govern such flights, but the capacity to deliver remains to be seen. The rest of this article is behind a paywall. Please sign in or subscribe to access the full content.

In a world where most things are getting faster, long-distance commercial flights have been an exception for a long time. It’s quicker now to get from one side of the world to the other than it was in the 1970s because modern planes can travel further. The journey

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