Coke Fueled Furnace

Coke Fueled Furnaces is a form of Technology and Culture.

Description
Traditionally, charcoal has been used to heart furnaces, but this is becoming harder to obtain as more forests are cut down. Coke is an alternative source of carbon, that is make by cooking coal in a hot airless kiln to drive off impurities. Since coke is also made stronger than charcoal, coke fueled furnaces can also be made larger.

Effects

 * Increases value of iron and steel trade by 50%