Pakistan Refinery Limited (PRL), a petroleum products distributor, is expecting to spend up to $1 billion to upgrade its refinery facility.

The facility will be turned into a deep conversion refinery, expected to produce Euro-II standard diesel with a technology upgrade.

PRL has sought expressions of interest from engineering contractors for appointment as front-end engineering design and engineering, procurement and construction contractor for the project.

The company has carried out a detailed feasibility study entailing evaluation of different technological variants, technical and financial viability via an international consultant.