The boeing 787 Dreamliner is a long-range, mid-size wide body twin engine-jet airliner developed by Boeing Commercial Air Planes. It seats 210 to 290 passangers. It is the most fuel-efficient airliner. It consumes 20% less fuel than similarly size 767. It shares with larger 777. The aircraft's initial designation was 7E7, prior to its renaming in Januari 2005. The first 787 was unveiled in a roll-out ceremony on July 8, 2007, by which time it had reahed 677 orders. By October 2011, the 787 program had logged 873 orders from 57 customers. The 787 development and production has involved a large scale collaboration with numerous suppliers around the globe. Final assembly is at Boeing Everrett factory in Everettt, Washington. Assembly is also taking place at new factory in North Charelston, South Carolina/ How many passenger can 787 seat ?