EXCLUSIVE: The RAC and AA have both agreed on the best fuel saving tip with petrol and diesel owners set to save.

The advice could help drivers later in the year.

Drivers are being urged to put a bowl of water in the passenger seat following the latest petrol and diesel data.

Anyone who drives a petrol car has been issued a warning.

Drivers could make hefty fuel savings by timing their Bank Holiday journey perfectly with idling engines using up valuable petrol and diesel.

Fresh analysis for the RAC has revealed when motorists should set off to avoid the worst of the traffic on Easter weekend.