How to improve Vauxhall Vivaro fuel efficiency?

Are there any specific modifications or driving techniques that can help improve the fuel efficiency of a Vauxhall Vivaro?

One way to improve fuel efficiency is to keep your tires properly inflated, as underinflated tires can increase fuel consumption.

Using cruise control on the motorway can also help save on fuel by maintaining a consistent speed.

Regular maintenance, such as replacing air filters and spark plugs, can also improve fuel efficiency.