KUALA LUMPUR (AFX-ASIA) – Petronas Dagangan Bhd, which sells petroleum products locally and operates service stations, said its nine months to December sales rose 22.4% year-on-year to RM6.638 billion due to higher sales volume. (US$1=RM3.8). However, pretax profit fell by 54.8% to RM266.6 million during that period mainly due to higher petroleum product costs, Petronas…