Looking Ahead to 2005: 10 innovations, areas to keep an eye on

Looking Ahead to 2005: 10 innovations, areas to keep an eye on: "In addition to the substantial weight savings that composites offer, which means better fuel mileage and cost savings for airlines, the extensive use of composites on the 7E7 will dramatically reduce the amount of maintenance needed on the jetliner. Composites do not wear or corrode like metal. Boeing says it has never had a maintenance issue with the composite empennage of the 777.
Given the efficiency gains of using composites, Boeing says it can't imagine that it will ever again build a jetliner airframe out of metal."