Energy Minister Sontirat Sontijirawong said the move will ease the cost of living. The Oil Fund had Bt38.409 billion as of December 24.
Sontirat also outlined the ministry's missions next year under the Energy For All policy.
He said he would push hard for the negotiations between Thailand and Cambodia early next year on the overlapping sea area. There has been much progress in the country's framework for negotiations , he added.
The ministry also aims to finish early next year the revision of five long-term comprehensive energy plans.
The ministry is promoting the use of B10 diesel and all petrol stations nationwide have been instructed to make B10 diesel available from March 2020. The sale volume of B10 is expected to reach 57 million litres per day by the middle of next year.