Shipping disruptions caused by the Iran war are forcing widespread price increases for essential fuels across Asia, impacting daily life and prompting calls for reduced consumption. This is leading to a significant shift towards biofuel alternatives.

Taxi driver Ravi Ranjan, who lives with his wife and child in New Delhi, said shipping disruptions caused by the Iran war had forced him to pay higher prices for cooking fuel at a time when India’s prime minister was also urging residents to reduce driving and travel. It was all hitting his bottom line, Ranjan said, as he was paying three times as much for liquid petroleum gas after facing delays on delivery of the cooking fuel. “I used to get a cylinder of LPG for 1,000 rupees (US$10), now I...