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Kansas City Southern Railway Co. (KCSR) recently took delivery of two Genset locomotives at its Port Arthur, Texas, yard.

Several years ago, the two units were converted to hybrid locomotives with rechargeable batteries under a Texas Emissions Reduction Program (TERP) grant from the Texas Commission for Environmental Quality. KCSR was the first Class I to obtain hybrid units under TERP, according to an item posted on the “KCS News” Web site. However, the hybrid units failed and KCSR officials decided to convert them to Gensets.

The Gensets comply with the U.S. Environmental Protection Agency’s (EPA) Tier 3 emission standard and feature electronic controls to boost fuel efficiency. The units primarily will be used for yard classification work, KCSR said.

Meanwhile, Providence & Worcester Railroad Co. (P&W) in partnership with the Northeast States for Coordinated Air Use Management, will install auxiliary power units on 17 locomotives built between 1969 and 1988. The power units are designed to reduce idling, and cut particulate matter, nitrogen oxides and carbon dioxide emissions. The EPA provided a $535,250 grant to help fund the installations.

In addition, P&W will continue to fuel locomotives with ultra-low sulfur diesel — ahead of a 2012 federal mandate — to further reduce emissions.