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Cummins Westport lands major transit fleet orders for natural gas engines from LA and San Diego
5 February 2013
Cummins Westport Inc. (CWI) is supplying engines for two of the largest natural gas transit fleet orders in North America to date, with combined orders of more than 900 ISL G engines.
In January, LA Metro announced its plans to order 550 New Flyer Xcelsior natural gas buses, powered with the Cummins Westport ISL G 8.9 liter engine to be deployed in 2014 and 2015, with an option to purchase an additional 350 buses in 2016 for both its own fleet and contract operators. LA Metro has one of the largest transit fleets in North America.
In December 2012, the San Diego Metropolitan Transit System (SDMTS) announced the decision to purchase up to 350 Gillig 40-foot low floor buses and 118 New Flyer 60-foot low floor articulated buses, all powered with the CWI ISL G 8.9L. SDMTS will receive 47 articulated buses and 50 forty-foot buses in 2013, with another 50 per year being delivered to replace buses in the current compressed natural gas (CNG) fueled fleet over the following four years.
Currently, there are more than 7,000 buses in municipal service across North America fueled by natural gas.
The Cummins Westport ISL G, an 8.9-liter stoichiometric cooled-exhaust gas recirculation (EGR) engine, is certified to 2010 EPA emissions. The ISL G engine is a purpose-built natural gas engine manufactured in the Cummins Engine Plant in Rocky Mount, NC that operates on either compressed natural gas (CNG) or liquefied natural gas (LNG). With ratings up to 320 hp and 1,000 lb-ft of torque, the ISL G features maintenance free three way catalyst (TWC) aftertreatment, and does not require the use of selective catalytic reduction (SCR) or a diesel particulate filter (DPF).
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