UK petrol stations slow to pass on wholesale fuel price drops

The CMA stepping in with a follow-up report is the tell here — voluntary transparency clearly hasn't been enough to move the needle at the pump. For drivers, the gap between what retailers pay for fuel and what they charge is a direct, recurring cost that compounds across every fill-up. The fact that a regulator has to schedule a second intervention to chase compliance says something about how seriously the industry is taking the pressure. If you're filling up regularly, the savings that should already be yours are sitting in a retailer's margin instead.