The meeting took place after OPEC and non-OPEC oil exporting countries rejected pressure from US president Donald Trump to further reduce oil prices by refraining from cutting production.

OPEC and its Russia-led allies agreed on Friday to reduce production by 1.2 million barrels per day from January.

"We also discussed the Kingdom's efforts to develop technologies to reduce carbon emissions, energy efficiency and technical cooperation opportunities between the two countries," he added in the tweet.