LAGOS — Ardova Plc and Diadem Energy have agreed to acquire 100 per cent of Powergas Global Investments Nigeria and Powergas Ebedei from A.P. Moller Capital's Africa Infrastructure Fund and Impala Energy Holdings. The deal is expected to be completed around the end of 2026, subject to approvals. Powergas runs four CNG mother stations and more than 250 tube trailers. Ardova said it aims to have 100 CNG refuelling sites within 24 months.