As engine and equipment manufacturers launch new generations of equipment to meet U.S. EPA Tier 4-Interim and -Final emissions regulations, equipment managers can rest assured that using new Tier ...

SCR technology is proving it can effectively meet 2010 diesel exhaust emissions regulations for medium- and heavy-duty trucks, without adding significant operating or maintenance costs. For 2010, the ...

An off-road machine’s selective catalytic reduction (SCR) system converts toxic nitrogen oxides in a diesel’s exhaust—nitrogen monoxide (NO) and nitrogen dioxide (NO2)—into harmless nitrogen, water, ...

A coal-fired plant in Colorado needed to further reduce its emissions to comply with more-stringent regulations. The work presented several challenges, and the owner and contractors worked together to ...

Chromalox, Pittsburgh, recently released a revised edition of its SCR Power Theory Training Manual. The free, 40-page illustrated manual on silicon controlled rectifier (SCR) power controllers has ...