Guardian: Boeing’s 787 Dreamliner, the aircraft maker’s riposte to the Airbus A380 super jumbo, landed in Britain for the first time today at the Farnborough airshow. Although it does not match the A380 for sheer scale, the Dreamliner claims to herald a step-change in engineering and efficiency by virtue of a hi-tech fuselage constructed from carbon fibre rather than riveted metal sheets. The 250-seater aircraft is trumpeted as being lighter and less fuel-thirsty than its peers, with Boeing …