(ADPnews) - Apr 5, 2011 - Sime Darby Plantation, part of Malaysian agricultural group Sime Darby (KUL:SIME), local utility Tenaga Nasional (KUL:TENAGA) and Japanese Mitsui & Co (TYO:8031) plan to develop biogas projects at eight of Sime Darby's palm oil mills in Malaysia.