Cummins L9: Difference between revisions

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 New for Cummins' 2017 line of engines is a Single Module aftertreatment system which combines the Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF) and Selective Catalytic Reduction (SCR) systems into a single canister. The more compact, lighter emissions control systems, according to Cummins, also boast greater thermal efficiency for improved engine operation.<ref name=brochure>[https://cumminsengines.com/brochure-download.aspx?brochureid=1268 2017 Cummins L9 brochure]. 2016. Cummins. Retrieved on 21 December 2016.</ref> Unique to the transit applications, the L9 will continue to use the Modular Aftertreatment System.<ref>[https://cumminsengines.com/cummins-transit-lineup-2017?Category=&NewsPressMonth=5&NewsPressYear=2016&PageSize=5 Cummins Announces 2017 Engine Lineup for Transit]. 16 May 2016. Press release. Retrieved on 21 December 2016.</ref>
-The Cummins L9 features enhanced on-board diagnostics (OBD) that ensure emissions stay within the EPA limits as well as enhanced electronic controls. Cummins has also added a particulate matter sensor. The engine meets EPA 2016 and GHG 2017 regulations. It boats a 15 percent improvement in fuel economy over the 2007 ISL.<ref name=brochure /> Engine electronic controls and optimized combustion formula help achieve Euro 6 Phase-C compliance.<ref>“CUMMINS BRING EURO 6 SMART EFFICIENCY TO FIAA SHOW.” Press release. Cummins, 23 May 2017.</ref> Further electronics refinement allowed the L9 to meet the more stringent Euro 6 Phase-D regulations in 2019. Phased-D required reduced Oxides of Nitrogen (NOx) emissions during lower speed city operations, as well as under cold engine start conditions. Real-world, on-road testing was also required during testing.<ref>[https://www.cummins.com/news/releases/2019/06/07/cummins-takes-euro-vi-step-ahead-phase-d-certified-diesels “Cummins Takes a Euro VI Step Ahead with Phase-D Certified Diesels.” Press release. Cummins, 07 June 2019.</ref>
+The Cummins L9 features enhanced on-board diagnostics (OBD) that ensure emissions stay within the EPA limits as well as enhanced electronic controls. Cummins has also added a particulate matter sensor. The engine meets EPA 2016 and GHG 2017 regulations. It boats a 15 percent improvement in fuel economy over the 2007 ISL.<ref name=brochure /> Engine electronic controls and optimized combustion formula help achieve Euro 6 Phase-C compliance.<ref>“CUMMINS BRING EURO 6 SMART EFFICIENCY TO FIAA SHOW.” Press release. Cummins, 23 May 2017.</ref> Further electronics refinement allowed the L9 to meet the more stringent Euro 6 Phase-D regulations in 2019. Phased-D required reduced Oxides of Nitrogen (NOx) emissions during lower speed city operations, as well as under cold engine start conditions. Real-world, on-road testing was also required during testing.<ref>[https://www.cummins.com/news/releases/2019/06/07/cummins-takes-euro-vi-step-ahead-phase-d-certified-diesels “Cummins Takes a Euro VI Step Ahead with Phase-D Certified Diesels.”] Press release. Cummins, 07 June 2019.</ref>
 ==References==