Saudi Aramco has announced that its 126,000 b/d capacity Riyadh refinery was shut down on 1 March for 80 days of planned maintenance. This will include the completion of construction work and the tie-in of units installed as part of a clean fuels project.

The upgrade, which will reduce the sulfur content of gasoline and diesel produced in the plant to 10ppm, was undertaken by Korea’s Samsung Engineering. Aramco says it will increase output at other refineries to compensate for the...