AbujaState-run stations cut petrol ₦66 a litre until 31 October.
Hundreds of private stations across Nigeria are excluded and still charge market prices.
Finance minister Taiwo Oyedele says the retail arm funds it from its own margin, not the budget.
At Abuja stations, app users paid ₦1,339 a litre and pump payers ₦1,405.
Atiku Abubakar’s campaign proposes cheaper crude for refiners instead and has not published its cost.
How each outlet framed it
- Premium Times Nigeria
- contrasts the NNPC at-cost discount with Atiku's refinery-support proposal, asking where support enters the supply chain and who keeps the savings
Sources: Premium Times Nigeria