QATAR FUEL QPSC revenue for the last year amounted to 27.91 B QAR, the most of which — 27.81 B QAR — came from its highest performing source at the moment, Fuel Products and Related Services, the year earlier bringing 27.75 B QAR. The greatest contribution to the revenue figure was made by Qatar — last year it brought QATAR FUEL QPSC 28.00 B QAR, and the year before that — 27.93 B QAR.