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, ...

1. Four peakers. Austin Energy’s Sand Hill Energy Center includes four 50-MW simple-cycle combustion turbines for peaking service that are equipped with SCRs. Also present on the plant site is a ...

Navistar has started customer shipments of its International DuraStar and WorkStar trucks with the company's 9.3-liter diesels fitted with selective catalytic reduction emissions-aftertreatment ...

Diesel engine operators can exhale with EPA's new DEF guidance | Opinion The Trump administration is proudly doing our part to accommodate, not unduly burden, our nation’s farmers and equipment ...