Planet A: Why is there a black market for refrigerants in the EU, and how does it work?

Reforms to phase out the most polluting gases are increasing prices for certified imports, and fueling a black market for cheaper, illegal imports from China. But not all gases are illegal , so tracing illicit imports is difficult. Sanctions are low, profits are high. The global warming potential of one 10kg cylinder is the same as driving 1.5 times around the world.