Illustration of China's hydrogen battery industry

China plays defense on EV batteries, offense on hydrogen

China rolls out new rules restricting the export of cutting-edge technology for EV battery manufacturing. How will this affect Chinese battery makers setting up factories abroad? And hydrogen fuel cell maker Refire reports its revenue fell 10% in the first half of the year. What does this say about a Chinese sector that's getting huge government support, but has yet to find a mass audience?