Sources have informed that Malaysian state-run Petronas and Saudi Aramco have commenced operations at the new 1.2-million-tons-per-year naphtha cracker. The naphtha cracker is integral to the $2.7 billion joint-venture oil refinery and petrochemical project, Refinery, and Petrochemical Integrated Development (RAPID) is located in Pengerang in the state of Johor, Malaysia.