German company Deutz MWM-Gastechnik has received orders for its 620 and 632 series engines to run on pit gas.
A combined heat and power installation in the Krupinski mine in Suszec, Poland will be the first 632 series engine to run on pit gas.
The company also received two orders for gas engines to run on pit gas in England.
The first order is for five 620 series engines each with an output of 1300 kW. The second order will see the installation of three chp plants with 16-cylinder 632 gas engines, each with a power output of 3400 kW.