China has launched sea trials of the world’s largest methanol dual-fuel container ship, taking another big step toward cleaner cargo transport. The ship left Nantong in Jiangsu Province, East China, on Thursday, according to China’s state-run Xinhua News Agency. Built by Nantong COSCO KHI Ship Engineering Co, the vessel is designed to carry 24,168 standard containers. This makes it the largest ship of its type in service. The project also shows …