The skies over the United States could be wide open for much faster air travel in the near future. Not just because passenger planes capable of breaking the sound barrier are in development — for the ...
Faster planes require more fuel, and alternatives may not be the climate solution the industry hopes for. Boom Supersonic broke the sound barrier in a test flight of its XB-1 jet last week, marking an ...
Editor’s note: Sign up for Unlocking the World, CNN Travel’s weekly newsletter. Get news about destinations, plus the latest in aviation, food and drink, and where to stay. The skies over the United ...
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