How much fuel does need for one hour for a Rolls-Royce Trent 900 engine?

The Rolls-Royce Trent 900 engine typically consumes around 3,000 to 4,000 pounds of fuel per hour, depending on various factors such as aircraft weight, altitude, and flight conditions. This translates to approximately 1,360 to 1,800 kilograms of fuel per hour. The specific fuel consumption can vary based on the operational profile and efficiency measures in place.