Boeing says plastic planes not far off
The 787 is expected to make its first flight in mid-2007 and deliver the first models to customers in 2008. The aircraft is made from a combination of non-metal carbon fiber composite materials, which is lighter than the aluminum normally used. This reduces the weight of the aircraft and leads to better fuel efficiency. Boeing predicts the 787s will be 20 percent more efficient than its 767 planes.
CNN Article