How to increase fuel efficiency in the Vauxhall Movano?

I've noticed that the fuel efficiency in my Vauxhall Movano has been decreasing lately. What are some tips and techniques I can use to improve it?

Regularly check your tire pressure to ensure it is at the recommended level. Under-inflated tires can decrease fuel efficiency.

Avoid aggressive driving and excessive idling. This can greatly impact your fuel consumption.

Plan your route ahead of time to avoid unnecessary detours. This can save you time and fuel.