As the national oil corporation marks its 50th year on Aug 17, its first chairman Tengku Razaleigh Hamzah reflects on the challenges it has faced.br br Additional footage sourced from FINAS Malaysia, Retro Man, Tengku Razaleigh Hamzah, PETRONAS Motorsports, PETRONAS, and www.etawau.com.br br Read More: br br Laporan Lanjut: br br Free Malaysia Today is an independent, bi-lingual news portal with a focus on Malaysian current affairs.