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"China is the world's second-largest energy consumer and relies heavily on imports to meet its huge demand. Promoting methanol fuel as an alternative can help reduce such dependency," He said.

"But the aim is to get there by 2020," Zhu Youkui, the chief economist for the local government's poverty alleviation unit, says in Nanning.

"China has become the largest producer and consumer of automobiles in the world. The extensive use of private cars in cities is causing congestion, air and noise pollution, and road accidents. In metropolitan areas, the transport sector is estimated to account for at least one-third of greenhouse gas emissions," Engstrom said.

"China is fast becoming a global hub for innovation, particularly in the field of AI," said Zhu Wei, senior managing director and chairman of consultancy Accenture China, adding that Chinese companies have demonstrated great determination to digitize their organizations amid the current complex business environment.

"But with the financial crisis, things got worse slowly," Naruse said. "This time, they got bad all at once."