Due to a supply scarcity, rising gas and coal prices are gradually driving utilities to convert from gas and coal to fuel oil. Oil-fired power stations have started up in Sweden. Oil demand will be boosted further by the United States' announcement that the travel ban for fully immunized international visitors would be abolished in November. This could result in a big recovery in jet fuel consumption by the end of the year. "US oil producers are battling to regain output, "The Mars and Ursa platforms in the Gulf of Mexico will be shut down until the end of2021, according to Royal Dutch Shell. According to Bloomberg projections, this would cut supplies by about 300,000 barrels."