How to run a petrol station

As petrol and diesel prices hit record highs, Evan Davis looks at the economics of running a petrol station. There's an allegation motorists are being ripped off at the pumps. However, the actual amount of profit some forecourts make from selling fuel may come as a surprise. Guests: Kirsty Waddingham, RKW Plumbing David Charman, Parkfoot Garages James Lowman, Association of Convenience Stores David Fyfe, Argus Media

Producer: Nick Holland Sound: Neil Churchill and Rod Farquhar Production Coordinators: Sophie Hill and Siobhan Reed Editor: Hugh Levinson