Carrier Transicold APU with ClearSky DPF verified by CARB

Carrier Transicold’s ComfortPro auxiliary power unit (APU) has been conditionally verified by the California Air Resources Board (CARB)

Carrier Transicold’s ComfortPro auxiliary power unit (APU) has been conditionally verified by the California Air Resources Board (CARB) for use with 2007 or newer engines in the state when teamed with a ClearSky diesel particulate filter (DPF), the company has announced.

According to Carrier Transicold, the ClearSky DPF reduces particulate emissions more than 85% and meets CARB’s nitrogen oxide (NOx) emission regulations. It can be field-installed on existing units and requires no driver intervention.

“Active regeneration technology presents unique advantages,” said Eduardo Andrade, Carrier Transicold director of business development. “A challenge for most APU makers is that the units typically don’t generate enough heat to burn off particulates from the exhaust. However, the ComfortPro APU’s Deltek hybrid diesel-electric technology is unique, and its powerful generator creates the necessary temperatures.”

Trucks with engines older than the 2007 model year can still use the ComfortPro APU without a DPF in California.

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