Colombia's state-run oil producer says it now has 87 valid patents, more than any other company in the country.
This emulsifier is lower priced than other commercial products
Suppliers sold nearly 915mn liters of biodiesel
Authorities, meanwhile, confirm the emanation of possible natural gas in a block which may be offered to operators.
The commissioners of the hydrocarbons regulator lamented the cancellation of rounds 3.2 and 3.3 in their advisory capacity to the energy ministry.