On the new 747-8 family Boeing is leveraging the technologies from the 787 Dreamliner to further its commitment to creating environmentally preferred commercial jetliners.

Lower Fuel Use
Three key features—new engines, more efficient structure and advanced aerodynamics—contribute to a 16 percent improvement (on a per-seat basis) in fuel use for the 747-8 compared to the 747-400.

The new GEnx-2B67 engines incorporate the latest technologies—such as a composite fan case and blades and a revolutionary turbine—to create double-digit efficiency gains over the engines it replaces. The ultra-efficient structure of the 747-8 provides the lowest operating empty weight per seat of any large airplane. Lastly, the new-design wing incorporates the latest aerodynamic airfoils, raked tips and a simplified lightweight flap design, further improving the overall fuel efficiency of the 747-8.

Reduced Emissions
carbon dioxide is produced as a result of fuel consumption. This means that with reduced fuel use comes an equivalent reduction in carbon dioxide emissions. Another key emission standard for commercial jet engines is nitrogen oxides (NOx). Specific regulations have already been set for future airplane engines based on the thrust ratings of the engines.

The 747-8 is being designed to ensure that it will perform significantly better than required by today’s requirements, and it will be better than the future, more stringent standards adopted by the Committee on Aviation Environmental Protection (CAEP).

Quieter Takeoffs and Landings
By designing with noise reduction in mind, Boeing was able to reduce the 747-8 noise footprint around an airport by 30 percent compared to today’s 747-400.