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Cummins Hits “Pause” On 15 L Natural Gas Engine

Posted on January 29, 2014

Cummins Inc. has announced that it has “paused” the development of a gaseous fueled version of its 15 L ISX engine. The company, which is one of the primary suppliers of natural gas engines to the medium and heavy-duty truck market through its Cummins Westport joint venture, announced in 2012 that the 15 L, spark-ignited engine was in development and would be launched in 2014.

In a statement, Cummins said that development of the ISX15 G engine was paused as a result of “market timing uncertainty.”

“While we believe natural gas power will continue to grow in the North American truck market, the timing of the adoption of natural gas in long haul fleets preferring a 15 L engines is uncertain,” the company’s statement continued. “We believe the adoption of natural gas in long haul fleets will be paced by a variety of factors beyond the engine and include fuel tank technology and public fueling infrastructure.

“Cummins remains committed to the natural gas market. Heavy-duty fleets desiring natural gas power currently have the option of the Cummins Westport ISX12 G, which is available in a wide range of heavy-duty truck OEMs. We will re-evaluate the market demand and readiness for the ISX15 G later in 2014.”

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