Jets 'should copy birds to save energy'
Planes could travel at five times the speed of sound by the second half of this century, according to the report.
In an idea called ''a sort of Ark Royal for the skies'', a system could deliver individual plane passengers at or near their front door.
But action is needed now if the UK is to be at the forefront of future aerospace innovation, the report by the Institution of Mechanical Engineers (IME) said.
Even in the next 20 years, there were potential sales of 25,000 new aircraft set to be worth more than £2,000 billion, said the report.
Source: The Telegraph