China’s tropical resort island of Hainan is solidifying its timeline to ban the sale of petrol-powered vehicles by 2030, heralding the beginning of the end for the internal combustion engine technology as the province, China’s largest free-trade zone, aims to spearhead the nation’s decarbonisation efforts.Hainan’s move, the first of its kind among all localities in China, will force carmakers to accelerate electrification to maintain their presence on the island and reap free-trade-policy...