Boeing has inaugurated a fourth 737 Max assembly line at its Everett facility (Washington State), an infrastructure with which it aims to gradually increase the production of its best-selling model and respond to the high order portfolio, although it will initially operate at a reduced rate. The new line, located at the plant where the company mainly manufactures wide fuselage aircraft such as 777, 767 and the future 777X, will employ some 1,000…