A coal-fired power plant in China's Zhejiang province.Getty ImagesThe US is trying to cut itself off from China's green tech like solar, EVs, and batteries.The moves could hit China's economy and risks slowing down the green transition.The US and China, as the world's largest polluters, are key to solving the climate crisis.There will be a long list of grievances when China's top climate envoy, Liu Zhenmin, visits the US this month for his first formal talks with US officials.The meeting comes as the US and China jockey for power in the green-energy transition.