The promotion, which began on 1 October, will run until 7 October as part of activities marking the period.
NNPC Ltd announced the offer in a post on its X account on Friday, encouraging motorists and other customers to use the NNPC Fuel App when purchasing fuel and carrying out transactions at its stations.
The company said customers had already begun taking advantage of the promotion, with activities recorded at several stations on the first day.
“The ₦66 Discount Promo is ongoing and the excitement is already happening across our stations nationwide,” the company said.
NNPC urged customers to continue using the app throughout the promotional period to qualify for the discount.
The company also shared highlights from the launch day and said more images and updates from participating stations would be released.
It encouraged customers to take advantage of the offer before the promotion ends on 7 October.
The ₦66 discount applies to eligible customers using the NNPC Fuel App during the promotional period.

