How fuel efficient was the Concorde compared to similar sized jets? - Quora
Has the time come for a return to supersonic travel? — GRIDPOINT CONSULTING
Overture will have 'fraction' of Concorde's fuel burn: United Airlines chief | News | Flight Global
A future where everyone can sustainably fly supersonic': Japan Airlines could be among first to operate 'son of Concorde' airliner commercially | South China Morning Post
Concorde 'B' | heritage-concorde
This Freak Aviation Disaster Brought Supersonic Idealism Down in Flames | At the Smithsonian| Smithsonian Magazine
Aerospaceweb.org | Ask Us - Concorde History II
Concorde | Technik Museum Sinsheim | Germany
Boom or Bust: Can supersonic air travel take off once more? – Transport Policy Matters
How Concorde Pushed the Limits – Then Pushed Them Too Far | National Geographic
How much fuel did the Concorde spend per hour (with and without afterburners)? - Quora