US refiner Vertex Energy has begun producing re-refined Group III base oils at its Mobile, Alabama, refinery.
Vertex on 20 November said the process involved starting up the hydrocracker at the refinery, which will now produce re-refined Group III 4cst volumes. The volumes will be branded as VTX-R4.
The company has not disclosed a base oil nameplate capacity for the hydrocracker unit.
Group III 4cst base oils are typically used in the formulation of fully synthetic motor oils for passenger cars.
Vertex will feed the unit with vacuum gas oil (VGO) from its Marrero, Louisiana, refinery. That refinery will be fed by Vertex's used motor oil collections operations.
Market participants expect that the Vertex volumes will be at a discount to some other Group III grades until the Vertex product acquires full approvals for certain major uses.

