Carrier Transicold has won California approval for a new engine emissions system that’s capable of reducing diesel particulate mass from trailer refrigeration unit exhaust by more than 98%.

Carrier Transicold unit wins California emissions approvalThe California Air Resources Board gave the Syracuse, N.Y.-based manufacturer of refrigeration units for trucks, trailers and containers conditional verification for its latest trademarked X4 and Vector series trailer refrigeration units.

The Carrier Transicold’s EES is its first OEM-developed CARB level 3+ verified diesel emissions control device for trailer refrigeration units reduces particulate emissions in accordance with California’s emissions requirements while also lowering nitrogen oxides, according to a news release.

The units can be included in initial purchases or added later, according to a news release.

In the release, Carrier Transicold officials state the conditional verification validates the product’s operation and effectiveness Tier 4 refrigeration units and signifies a major milestone.

The approval represents the first and biggest step toward offering a broader array of CARB-compliant options to Carrier Transicold’s customers, according to the release.

“Carrier Transicold’s latest trailer refrigeration unit engines are already certified for ‘evergreen’ compliance with the 2013 EPA Tier 4 standard for engines less than 25 horsepower, allowing for indefinite use throughout North America, except in California,” David Kiefer, director of marketing and product management, said in the release. “In California, CARB uniquely requires that a VDEC strategy be applied to units in this horsepower class for use in the state beyond the initial seven years.”