KUALA LUMPUR, Aug. 13 -- With no end in sight, the war between the United States and Iran has left countries scrambling to shore up their fuel supplies and secure alternative sources of energy.

The Strait of Hormuz, a crucial route carrying about one-fifth of global oil and liquefied natural gas flows, has remained severely disrupted since the conflict erupted in late February.

Almost 40 per cent of Malaysia's crude oil imports pass through the waterway, making any prolonged disruption a significant concern for the country's energy security.

Malaysia, a net importer of crude oil, produces about 350,000 barrels of oil a day but consumes about 700,000 barrels, according to the Finance Ministry.

Malaysia also subsidises fuel for domestic...