PTT Plc, Thailand-based oil and gas conglomerate, has renewed its concession with the Cambodian government to provide jet fuel services for another five years at Phnom Penh and Siem Reap airports. PTT Plc will provide jet fuel services at the two airports till 2018 as part of the group’s expansion plan. The current plan involves 2.85 billion baht to upgrade and develop new petrol service stations in Cambodia, Laos, and the Philippines. PTT expects the fuel sales volume in these countries to rise by 10 per cent to 2.2 billion litres by 2018 from 2 billion litres in 2013.