1.   At the same time, refineries are closing for a seasonal change from heating oil to gasoline production.

2.   Hit hard by excess capacity and the mandates of the Clean Air Act, some refineries have closed, and the survivors have held the line on new construction.

3.   If no solution is found, the refinery will close by next year.

4.   Shuaiba refinery closed for repairs after oil leak.

5.   They say the refinery will probably close.