This week many Paris Air Show visitors will get their first glimpse of new eVTOL aircraft designed to transform how people and things move around cities.
A high-efficiency upgrade for auxiliary power units on Boeing 737NG and Max airplanes can lower fuel consumption and emissions by about 2 percent each.
As it wrestles with a challenging economic environment, the UK's aerospace and defense companies have flocked to the 2023 Paris Air Show in large numbers.