Original sentence: Fifty Hackney Carriages will be rolled out in full Gulf Air livery, to promote the airline's flights from London Heathrow to Bahrain and beyond.In 15 June 2009 at the Paris Air Show, Gulf Air selected Rolls-Royce the Trent 700EP engine to power an additional 20 Airbus A330s that it is to start receiving in 2012
Edited sentence: Fifty Hackney Carriages will be rolled out in full Gulf Air livery to promote the airline's flights from London Heathrow to Bahrain and beyond.In 15 June 2009 at the Paris Air Show, Gulf Air selected the Rolls-Royce Trent 700EP engine to power an additional 20 Airbus A330s that it is to start receiving in 2012