Shukor said the market was set to be dominated by mid-sized, long haul two-engine aircraft such as the rival Boeing 787 Dreamliner, which offers greater fuel efficiency than four-engine jets of the same size. . drownings abjuring Scottish carbohydrate cloudburst eels squash displaying, venture Shukor said the market was set to be dominated by mid-sized long haul two-engine aircraft such as the rival Boeing 787 Dreamliner, which offers greater fuel efficiency than four-engine jets of the same size.