Around 0.6 tonnes (600 kg) of coke produces 1 tonne (1000 kg) of steel, which means that around 770 kg of coal are used to produce 1 tonne of steel through this production route. Basic Oxygen Furnaces currently produce about 74% of the world's steel.
What part of using coal for steel don't you guys understand.
Till they start making Teslas out of plastic coal will be needed to produce steel.
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