The fall following the spate of panic buying sparked by Government warnings to motorists to fill up their tanks amid the threat of industrial action by fuel tanker drivers.
Sales over the four-day Easter break were down 29 per cent on the previous year.
Diesel sales fell by 2.9 per cent, super diesel by 60 per cent and super unleaded was 39 per cent lower.
Talks between unions and haulage firms to avert the threatened strikes will continue today at the conciliation service Acas.
Chief conciliator Peter Harwood said: “I am encouraged that talks are continuing and that the parties are committed to finding a way forward.”