Boeing delivered its first batch of all-new 787 Dreamliners this month, ushering in a new generation of commercial aircraft. The Dreamliner is more efficient and offers more passenger comfort than its predecessors, and it’s being dubbed as the “first new airplane of the 21st century” by Boeing execs. Boeing’s Dreamliner is unique because it’s lighter and faster than older planes, while offering greater fuel-efficiency. Its structure also sets it apart, as it’s composed largely of composite materials rather than sheets of aluminum. Travelers will benefit from the Dreamliner’s…