Petrol company Elf is talking to the Woolwich Building Society about launching banking facilities on its forecourts.
It is understood cashpoints will be installed on forecourts where the Woolwich does not have machines nearby. Both Elf and Woolwich refused to comment.
Elf now owns eight per cent of petrol retail outlets in the UK, following its merger with Gulf Oil and Murco Petroleum last year.
Elf has already linked with supermarket chain Somerfield and the AA to counter the effects of the current petrol price war. Last summer Elf ran a 4m promotion with the AA. And a flagship Elf/Somerfield petrol and convenience outlet was opened in Balham, London in November.
A final agreement over the Elf, Gulf, and Murco merger is expected in June, with Elf and Gulf each holding 40 per cent and Murco the remaining stake.
The petrol brands will remain separate.