Gordon Balmer of the @RMI_PRA says 26% of its member petrol stations are still empty of fuel.
He adds that many areas of the UK are "starting to get back to normal", but some forecourts in London and the southeast have been "dry" for nearly a week.
British drivers on the hunt for fuel continue to face long lines and closed gas stations as the UK government prepares to deploy soldiers in a bid to end days of shortages. pic.twitter.com/oJX6MFA1BV