Mack to introduce natural gas versions of two trucks in 2013

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GREENSBORO, N.C. — Mack has announced it will be offering natural gas-powered versions of its Pinnacle and Granite models in 2013. Both models will utilize the Cummins Westport ISX12 G engine. Customer testing is scheduled to begin this year.  

The addition of the 12-litre natural gas-powered models adds to Mack’s existing natural gas line-up, which includes the TerraPro Low Entry and TerraPro Cabover refuse models.

Like their Mack TerraPro natural gas counterparts, the Mack natural gas-powered Pinnacle and Granite models will feature maintenance-free aftertreatment and require only a three-way catalyst to meet EPA 2010 and CARB emissions standards, officials said. Mack’s natural gas-powered trucks are available with compressed (CNG) or liquefied (LNG) fuel systems.

“Mack has a long history in alternative driveline technologies, and in particular, natural gas,” said Kevin Flaherty, president of Mack Trucks North American sales and marketing. “We’ve offered natural gas since it became clear that it was a viable energy solution in the refuse segment. Now customers within the regional haul, LTL and construction segments will have the benefits of natural gas combined with the power and performance they expect from Mack.”

Mack officials say the company is also investigating other alternative driveline technologies, including high pressure direct injection, which uses a combination of natural gas and a small amount of diesel in the combustion process, and DME (dimethyl ether), which can be produced from natural gas.

The company is also moving forward on development of diesel-electric hybrid TerraPro models, recently delivering additional Low Entry test units to the New York City Department of Sanitation for evaluation.

“For more than 35 years, we’ve counted on Mack for trucks that can withstand the tremendous rigors of our operations,” said Rocco DiRico, deputy commissioner, Department of Sanitation, Support Services, New York City.  “We look forward to putting these new vehicles with the latest version of Mack’s diesel-electric hybrid technology to the test. We fully expect that they’ll deliver on the Mack promise of durability, reliability and superior performance as we continue to deliver on our own promise of a clean city with clean air.”  

Mack says its diesel-electric hybrid technology provides up to a 30% fuel economy improvement in stop-and-go applications such as refuse, with a corresponding greenhouse gas emissions benefit.

“We listen to what our customers want and develop the technologies best suited for their needs,” Flaherty said. “Mack’s alternative driveline technologies represent an ongoing evolution built upon our proven experience.”

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