London cafe Bean & Wheat makes a charcoal latte made from grounded coconut shells. The caffeine-free drink, called Black Heart Latte, is made with only charcoal, milk, and vanilla. "The reason why ...

Charcoal is now trading at ₹70,000 per tonne, compared with ₹28,000 last year. The high price of coconut shell charcoal may compel end-users in the US water industry to shift to coal-activated ...