Gulf Oil Lubricants India Ltd. will produce tractor lubricants to be supplied to Mahindra & Mahindra dealer workshops under the brand name Mahindra M-Star Super. Gulf will market the same oil through the Bazaar segment under the Gulf XHD M Tractor brand. KPI Bridge Oil, a broker and trader of marine lubricants, marine bunkers and risk management products, appointed Mark Emmett managing director of its Singapore operations.