Nova Bus LFS HEV

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Nova Bus LFS HEV
Société de transport de Laval 1414-a.jpg
Years of manufacture 2006 to present
Length 40 feet
Width 102 inches
Power/Fuel Diesel-electric hybrid
Société de transport de Laval 1414-b.jpg

The Nova Bus LFS HEV is a diesel electric hybrid version of the Nova Bus LFS. It was launched at the 2006 CUTA Trans-Expo in Toronto, with the first examples going to the Société de transport de l'Outaouais at the beginning of 2007.


When launched, the LFS HEV used a parallel hybrid supplied by Allison. The standard 8.9 litre Cummins ISL engine, used on on the standard LFS, drove the wheels in combination with an electric motor. Beginning with Coast Mountain Bus Company's 2009 order, the LFS HEV was offered with the 6.7 litre Cummins ISB engine. It was reasoned that fuel savings would be maximized with the smaller engine if the buses were operated in appropriate conditions.

The Association du transport urbain du Québec, representing nine public transit agencies in the province, placed an order for hybrid buses in 2013. They specified a series hybrid system which was supplied by BAE Systems. In this configuration, the Cummins ISB engine acts as a generator and an electric motor powers the wheels directly. The series hybrid option has since become an option.

In the summer of 2017, the Société de transport de Laval introduced two plug-in hybrid buses for an 18-month trial.[1] The two LFS HEV buses, built in 2016, were fitted with a Euro 2019 Cummins B4.5 diesel engine connected to a TM4 SUMO HP HV900 electric generator with a TM4 SUMO HD electric motor driving the rear axle. The buses are also equipped with 111-kilowatt-hour lithium ion batteries and a current collector. They can be quickly recharged in 10 minutes en route with a 450-kilowatt charging station and operate in all-electric mode for longer distances (up to 35 kilometres). The project received $4.25 million from the Green Fund, under the Technoclimat program.[2]

In 2018, the option for an electrically-driven HVAC system (the MCC Eco 136E) was introduced. The Toronto Transit Commission was the first customer to specify this option. Because the electric HVAC is the same height as the battery compartment, buses with this option feature the same front fairing and full roofline design as the LFSe, though some operators like the STM have chosen to specify a partial raised roofline that only covers the batteries.



Length: 40'
Width: 102"
Height: 128” (2006-2013), 128.4” (2018 onwards), 131” (2013-2018)
Wheelbase: 244"
Engine Emissions Availability
Cummins B6.7 6.7L, 280 hp EPA 2017 2017 to present
Cummins ISB 6.7L, 260 hp EPA 2007 2009 to 2010
Cummins ISB6.7 6.7L, 260 hp EPA 2010, 2013 2010 to 2017
Cummins ISL 8.9L, 280 hp EPA 2004, 2007 2006 to 2010
Cummins ISL9 8.9L, 280 hp EPA 2010, 2013 2010 to 2017
Cummins L9 8.9L, 280 hp EPA 2017 2017 to present
Hybrid system Type Availability
Allison H 40 EP/EP40 System Parallel 2006 to present
BAE Systems HDS 200 Series 2013 to present
Front Axle Availability
ZF RL 85 2006 onward
Rear Axle Availability
ZF AV 132 2006 to 2018
ZF AV 133 2018 onward
Disk brakes w/ ABS & traction control
Electric system
Volvo Bus Electronic Architecture
HVAC Availability
Carrier RF-353 Up to 2011
Mobile Climate Control (heater) 2006 to present
Mobile Climate Control ECO 353 2011 to present
Mobile Climate Control ECO 136e
Thermo King Athenia 2010 to present
Thermo King LRT Up to 2010
Floor Availability
Plywood subfloor 2006 to 2008
Composite subfloor 2008 to present


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Demonstrator and engineering units

Below is a list of known demonstrator and engineering buses.

Thumbnail Year VIN Engine Hybrid system Notes
2006 2NVYL82W563000234 Cummins ISL Allison EP40 System
  • Launch vehicle at 2006 CUTA Trans Expo in Nov. 2006
  • Sold to STO as 0701 in January 2007.
2008 Cummins ISB Allison EP40 System
  • Built to CMBC specifications.
  • Demoed with CMBC from September to October 2008.
03/2010 2NVYL82X5A3000087 Cummins ISB Allison EP40 System
  • Features flush glazing.
  • Features 36 grey American Seating InSight seats with lime green inserts.
  • Displayed at APTA Conference (Cleveland OH) in May 2010.
  • Demoed with CDTA in mid-May 2010.
  • Demoed with Oakville Transit on May 26, 2010.
  • Demoed with Hamilton Street Railway on May 27, 2010.
  • Appeared at the 2010 F1 Grand Prix (Montreal QC) in June 2010.
  • Demoed with DDOT on June 22, 2010.
  • Received prototype "fourth generation" rear.
03/2011 2NVYL82X2B3000212 Cummins ISB6.7 Allison H 40 EP
07/2011 2NVYL82X7C3000367 Cummins ISB6.7 Allison H 40 EP
  • 2012 model.
  • Features new interior design, lime green colour scheme, and no rear window.
  • Displayed at 2011 APTA and CUTA expos.
33-999 (now 1499) Réseau de transport de la Capitale (demo) 1499-a.jpg 01/2013 2NVYL82Z4C3000845 Cummins ISB6.7 BAE Systems HDS 200
  • 2012 model.
  • Demoed with STM June to November 2013.
  • Demoed with STS January 20 to March 28, 2014.
  • Renumbered 1499 in January 2015 and was on demonstration with RTC from January to August 2015 featuring new E-series hybrid option. The most significant change is that the engine could start and stop, allowing the bus to run on fully-electric mode for short periods of time.
(1723) 2017 2NVYL82L0H3750522
  • Two-tone blue front end, grey skirt, and "transit line" graphics.
  • Displayed at 2017 UITP Global Public Transport Summit
  • Unwrapped then delivered as STO 1723 after the show
2017 2NVYL82L7H3750940
  • Altoona BAE demo
LB71-01 2018 Cummins B6.7 BAE Systems HDS 200
2/2020 4RKYL82L5L9777539


  1. STL to test two electric buses with a range extender. 22 June 2017. Canadian Urban Transit Association.
  2. Quebec PHEV initiative underway. Press release. 25 June 2017. TM4.

Nova Bus
LFS Transit · LFS Suburban · LFS Shuttle · LFS HEV · LFS Natural Gas · LFSe · LFSe+ · LFS Artic · LFX
RTS-06 · RTS-06 WFD
Classic TC40-102N · TC60-102N