(EnergyAsia, April 27) — Singapore Petroleum Company (SPC) said group net profits fell 6.6% in the first quarter despite a 52.1% rise in revenue. Its net profit came to S$67.9 million on revenue of S$2.2 billion. (US$1=S$1.6).             The company blamed the lower profits on a weaker US dollar, higher expenses and slower-than-expected oil demand…