It depends on the type of aircraft
Reduced certain type of drag (air resistance) and thus improves fuel efficiency and range.
Aircraft use three types of fuel tanks using: (1)integral (2)rigid removable (3)bladder.
Depends on the size and type of Aircraft. Link provided below llist fuel consumption for various Aircraft.
jet and/or rocket propelled aircraft{jet/rocket}.
Different types of aircraft use different types of fuel. Small aircraft generally use 110 octane, 100 octane-low lead or some newer engines use diesel. Airplanes that fly using turbo-prop or turbine systems use Jet A or Jet B type fuel which is a type of kerosene fuel.
Planes typically use aviation fuel, which is a specialized type of fuel designed for aircraft engines. The most common type of aviation fuel is known as Jet A or Jet A1, which is kerosene-based. Some small aircraft may use aviation gasoline (avgas) instead.
EMBRAER of BRAZIL, has an aircraft flying on Ethanol, It is called IPANEMA and it is a cropduster.
Depends on the aircraft. There are piston driven aircraft, which burn low lead petrol, there are jet aircraft, which will burn some type of jet fuel, and there are military aircraft, which, in the US and NATO forces, use a fuel known as JP-8.
The cost depends on the type of aircraft and the location of the launch. If it's your plane on your field, the cost is only fuel.
The Airbus A320 typically uses Jet A-1 aviation turbine fuel, which is widely available at international airports. From a third-party buyer’s perspective, confirming the required fuel specification is essential when sourcing fuel-related components or maintenance parts for A320 aircraft. Buyers should always verify equipment compatibility and applicable requirements using the aircraft’s approved documentation before making procurement decisions.
I would think that a Green Aircaraft is an aircraft that is eco-friendly like one that runs on eco-friendly material or type of fuel. An aircraft that is less or not bad for the environment.