Which aircraft is known for its advanced new engine technology that boosts fuel efficiency?

The Airbus A320NEO is particularly recognized for its advancements in engine technology, which are a significant factor in enhancing fuel efficiency. The NEO, which stands for "New Engine Option," employs the latest generation of engines: the Pratt & Whitney PW1100G and the CFM International LEAP-1A. These engines incorporate technologies such as advanced materials, improved aerodynamics, and upgraded engine cores to reduce fuel consumption significantly compared to earlier models.

This engine technology leads to a substantial reduction in fuel burn—approximately 15-20% compared to the previous A320 models, which is crucial for airlines looking to lower operational costs and meet stricter environmental regulations. Additionally, the A320NEO's design allows for increased range and reduced noise levels, making it a popular choice among airlines that prioritize both efficiency and sustainability.

While other aircraft listed also feature modern technologies and fuel-efficient engines, the A320NEO stands out specifically for its innovative engine options that directly contribute to improved fuel efficiency in commercial aviation.