The pumping capability was increased with the addition of gas engine driven pumps. Andrew's Gas Engine works opened in 1878. This contribution from the gas engine is only at high speeds. It is a hybrid variant with liquefied petroleum gas engine and electric motor. The vehicle is powered by a V8 gas engine. For parameters of a large gas engine CHP system, as fitted in a factory, see. Power of the gas engine is up from and torque rose from . A steam engine provided auxiliary power until it was replaced by a suction gas engine. In 1794 Thomas Mead patented a gas engine. In 1864, Nicolaus Otto patented the first atmospheric gas engine. It was powered by a carbonic acid gas engine driving a single tractor propeller. It was updated in 2013 to a more efficient 2.0 kWh natural gas engine. PowerHaul locomotives use a PowerHaul P616 diesel engine; based on the Jenbacher J616 gas engine. The Fairbanks Morse gas engine became a success with farmers. At one of these races, the gas engine suddenly blew up.