During the month, the firm's Kollenback plant substituted the use of 12,000tonnes of coal for alternative fuels, such as industrial, agricultural and municipal waste.
The substitution rate for that plant is over 94% per day. In 2012 the company is said to have managed to consolidate its leadership in the use of alternative fuels with a global substitution rate of 27.1%, claimed to represent one of the highest in the industry.