Gas compressor stations near Bakersfield, California. Compressor packages running with Waukesha 7042GSI natural gas fuel, rich burn engines. Challenge Universal Compression required meeting very stringent

In 2008 the city of London, England, implemented its Low Emission Zone (LEZ) program, to improve air quality by targeting action on older, higher polluting

A tourist touring train in Skagway, Alaska, powered by a 6 cylinder, 900 hp, Alco 251B diesel locomotive. The train carries tourists through a scenic

Challenge The Kennett, Missouri Power Station required upgrading of the emission control system on the power plant’s internal combustion engines to meet the EPA RICE

Eight MTU 16V4000 (1800 kW) diesel engines powering two electric motors for the yacht Octopus, owned by Microsoft billionaire Paul Allen. At the time of

Harvard University, Cambridge, Massachusetts. Three MINE-X PDPF® diesel particulate filters were installed on Harvard University diesel vehicles. Challenge Harvard Fleet Management Services in conjunction with the

A large construction and mining organization located in California required a CARB verified level 3 plus diesel particulate filter housing to retrofit their Caterpillar XQ1000

Various portable diesel powered gensets, operating in a downtown urban environment Manhattan, New York City. The gensets are used for powering construction equipment in a

A utility company was interested in retrofitting their emergency diesel generators for compliance with the 2013 RICE NESHAP rule set by the United States EPA.