The typical hydrogen-powered bus in Zhangjiakou is 12 meters long and carries eight cylinders of hydrogen fuel on the back of its roof.

The two provinces will also reinforce cooperation in the fields of manufacturing and energy to take advantage of renewable energy resources in the country.

Power production in Ordos City, Inner Mongolia in Jan-Dec, 2021.

As the country's gross domestic product exceeded 114 trillion yuan ($18 trillion) last year, its ability to combat risks and shocks has further increased.

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The proportion of coal in China's total energy consumption dropped from 72.4 percent in 2005 to 56.8 percent in 2020.

Coal and power trade between China and Russia has also been on the rise.