Petronas Dagangan Bhd.signed a memorandum of understanding to sell its liquefied petroleum gas and lubricants marketing businesses in the Philippines,Petronas Energy Philippines Inc., toPhoenix Petroleum Philippines Inc. Shell opened a joint research center with Tsinghua Universitys Department of Automotive Engineering to develop new additive technologies for automotive lubricants and fuels. International Motor Trading Agency W.L.L. will begin distributing Tide Water Oil Co. (India) Ltd.s Veedol-branded lubricants in Bahrain.