Boeing has failed to build an hypersonic aircraft and as a result has done a lot of legislative lobbying to ban Concorde. Despite the petrol crisis and these an

Boeing has failed to build an hypersonic aircraft and as a result has done a lot of legislative lobbying to ban Concorde. Despite the petrol crisis and these annoyances, Concorde was still slightly profitable until the end of its life: https://www.quora.com/Why-was-the-Concorde-retired-in-2003-despite-having-a-good-operational-history-barring-the-2000-crash https://www.quora.com/Why-was-the-Concorde-retired-in-2003-d...