Engineering:Alexander Dennis Enviro400 City

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Short description: British-built model of double-decker bus, built since 2014
Alexander Dennis Enviro400 City
NX West Midlands ADL Enviro400 EV E010.jpg
National Express West Midlands Enviro400 EV in Birmingham in July 2020
Overview
ManufacturerAlexander Dennis
Production2015–present
Body and chassis
DoorsSingle or dual door
Floor typeLow floor
ChassisIntegral, BYD K series, Scania N series
RelatedAlexander Dennis Enviro400 MMC
Powertrain
EngineCummins ISBe (Enviro400 MMC)
Scania DC09 (Scania N2x0UD)
Electric motor2 x BYD 150kW in-wheel
Capacity64–100 seated
Battery320 kWh lithium iron phosphate
Electric range303 kilometres (188 mi)
Dimensions
Length10.3 m (33 ft 10 in) to
11.5 m (37 ft 9 in)
Width2.55 m (8 ft 4 in)
Height4.2 m (13 ft 9 in) to
4.3 m (14 ft 1 in)
|uk|Kerb|Curb}} weight11 tonnes (10.8 long tons; 12.1 short tons)
Chronology
PredecessorAlexander Dennis Enviro400

The Alexander Dennis Enviro400 City is a low-floor double-decker bus produced by the British bus manufacturer Alexander Dennis since 2018, produced as an alternative to the standard Alexander Dennis Enviro400 MMC bodywork. The Enviro400 City is produced at Alexander Dennis' Falkirk and Scarborough factories in the United Kingdom. It is available as a complete integral diesel or hybrid bus, as well as bus bodywork on the BYD Auto battery electric or Scania N280UD compressed natural gas-powered chassis.

Introduction

Main page: Engineering:Alexander Dennis Enviro400 MMC

The Enviro400 City can trace its design roots back to 1997, with the introduction of the Dennis Trident 2, one of the first low-floor double-decker buses to enter service. The model saw immense success at the turn of the millennium, despite financial difficulties facing Dennis Specialist Vehicles during this period. As a result of these, production of the Trident 2 passed first to TransBus International in 2001 and then to Alexander Dennis in 2004.

Alexander Dennis updated the basic Trident 2 chassis to launch the Alexander Dennis Enviro400 in 2005 – the basic chassis of which was initially still badged internally as a Trident. A second-generation Enviro400 was launched in 2009, with facelifted styling and updated chassis design which finally dropped the Trident moniker. The second-generation Enviro400 was overhauled again to create the Enviro400 MMC, which was launched as the classic model's eventual replacement in 2014. Production of the Enviro400 ceased in 2018.

In late 2015, Alexander Dennis launched the Enviro400 City, a premium model of the Enviro400 MMC, featuring restyled front and rear ends to match the single-decker Enviro200 MMC and a glass staircase as standard amongst other features, designed to compete with the New Routemaster and Wright SRM designs in the London bus market.[1][2][3]

Powertrain variants

Conventional diesel

Blackpool Transport became the first operator outside London to order the Enviro400 City on conventional diesel-powered chassis in January 2016, with the new buses upgrading the operator's 9 service to high-specification 'Palladium' standard.[4][5] Other orders were delivered to Uno of Hertfordshire in 2017, branded for The Comet routes 613 and 644;[6] Arriva Buses Wales, with 13 Cities also delivered in 2017 for Arriva Sapphire services in Wrexham;[7] Bluestar, who had 20 Enviro400 Cities delivered in 2018 for their 18 service,[8] and First Glasgow, who had ten Enviro400 Cities delivered for their express service to Glasgow Airport in 2019.[9]

Nineteen Scania N250UDs with Enviro400 City bodies were delivered to First Eastern Counties for their flagship 'Excel' services in 2020, featuring high-specification interiors, next stop announcements and camera mirrors.[10]

Enviro400H/ER

Arriva London Enviro400H City on route 78 in Shoreditch in December 2015
Enviro400 ER operated by Dublin Bus on contract to TFI

The Enviro400 City was initially launched on the Enviro400H hybrid electric platform developed by Alexander Dennis and BAE Systems, which was carried over from the previous Enviro400. The first production examples of the Enviro400 City entered service with Arriva London on route 78; a repeat order in 2016 would later see this fleet grow to a total of 53 Enviro400 City hybrids.[11]

Transport for Ireland ordered 600 examples of the Enviro400 ER, the successor to the Enviro400H chassis launched in 2019.[12] Delivery of the first 100 Enviro400 ERs commenced in late 2020; all are to be supplied with City bodies.[13][14]

Enviro400 CNG/FCEV

Nottingham City Transport 'Green Line' Enviro400 CNG in August 2017

The Enviro400 CNG was launched in 2016 at the Euro Bus Expo, built on the Scania N280UD compressed natural gas-powered chassis.[15] The Enviro400 CNG was only available with the City body, although some earlier models were delivered with MMC bodies.[16]

Nottingham City Transport have been the largest customer for the Enviro400 CNG, taking delivery of 120 examples between 2017 and 2019 as part of a major fleet renewal programme, making Nottingham City Transport the largest operator of double-decker biogas buses in the world.[17][18] An additional 23 Enviro400 CNGs have been ordered for delivery in summer 2022, which the operator expects to be its last.[19][20] 22 Enviro400 CNGs with both MMC and City bodies also entered service with Reading Buses between 2016 and 2018.[16][21]

First West of England initially ordered an Enviro400 CNG for services in Bristol in 2017,[22] which was later followed by an order for 21 Enviro400 CNGs for service on Bristol Metrobus pink line m1. Due to First's Bristol depots being unable to support the route, the buses were subcontracted out to CT Plus Bristol.[23] A further 77 Enviro400 CNGs entered service with First West of England in early 2020.[24]

Alexander Dennis introduced the Enviro400 FCEV as a successor to the Enviro400 CNG in 2021. Twenty Enviro400 FCEVs have been ordered for the Liverpool City Region for use by both Stagecoach Merseyside and South Lancashire and Arriva Merseyside. The buses will be the first to be branded for Liverpool's new MetroBus network and are planned to initially operate on the city's busiest route connecting Liverpool with St Helens.[25][26]

Enviro400 EV

RATP London United Enviro400 EV on route 94 near Marble Arch in September 2020

In 2018, Alexander Dennis, in partnership with BYD Auto, launched the Enviro400 EV battery electric bus, built with the Enviro400 City body. It is the second battery electric bus model from Alexander Dennis, following 2016's launch of the Enviro200 EV, also in partnership with BYD. Initially, the first 10.9 metre variants first entered service with TfL operator Metroline on route 43 in 2019,[27][28][29] followed by a shorter 10.3 metre variant launched in 2021.[30][31]

A number of Enviro400 EVs have entered service with TfL operators across London. Customers include Go-Ahead London,[32] Metroline, RATP Dev Transit London,[33] Stagecoach London and Abellio London. Ten of Stagecoach London's Enviro400 EVs were used to shuttle delegates and world leaders at the 2021 United Nations Climate Change Conference in Glasgow prior to entering London service,[34][35][36] while a batch of Abellio Enviro400 EVs operating on route 63 were delivered with enhanced interiors specified under TfL's Future Bus project.[37][38][39]

National Express West Midlands ordered 29 Enviro400 EVs, with the first 19 entering service in Birmingham in July 2020 and an additional 10 arriving at Coventry later in the year.[40] National Express Coventry are due to receive 130 Enviro400 EVs in early 2023 as part of Coventry's plans to have the first all-electric bus fleet in a UK city.[41] Four Enviro400 EVs entered service with the National Express Transport Solutions, the tour coaching arm of the National Express Group, in May 2022 for tourist shuttle services to the Warner Bros. Studios complex in Leavesden.[42]

Stagecoach Manchester ordered 32 Enviro400 EVs, which were delivered in early 2020,[43][44] while Stagecoach in Cambridge received two, which entered service in February 2020 on the Cambridge Citi 6 route.[45] 22 Enviro400 EVs were also delivered to Stagecoach Bluebird for service in Aberdeen in April 2022.[46][47]

First Leeds ordered five Enviro400 EVs for the Stourton Park & Ride, which entered service with the opening of the site in mid-2021,[48] while First Glasgow also ordered 91 Enviro400 EVs alongside 22 Enviro200 EVs in 2021. Delivery of the first batches of these buses began following the COP26 conference.[49] Four Enviro400 EVs were delivered to Lothian Buses in March 2021 with branding advertising Scottish Power, who helped to fund Lothian's order for the buses,[50] and 12 Enviro400EVs were delivered to Xplore Dundee, entering service in early 2022.[51][52]

Transport for Greater Manchester ordered 50 Enviro400 EVs in 2022 for use on its franchised 'Bee Network' bus services, which will commence operations in September 2023; these buses are to be delivered to depots in Wigan and Bolton.[53]

See also

  • List of buses

References

  1. ↑ "A new bus for London". Coach & Bus Week (Peterborough: Emap). 14 September 2015. https://cbwmagazine.com/a-new-bus-for-london/. 
  2. ↑ "ADL launching Enviro400H City". Bus & Coach Buyer (Peterborough). 17 September 2015. https://www.busandcoachbuyer.com/adl-launching-enviro400h-city/. 
  3. ↑ "ADL gets the London look". 27 October 2015. https://www.route-one.net/vehicles/adl_gets_the_london_look/. 
  4. ↑ "Blackpool to take first single-door Enviro400 City". Bus & Coach Professional. 22 January 2016. http://busandcoach.com/news/articles/2016/blackpool-to-take-first-single-door-enviro400-citys/. 
  5. ↑ Deakin, Tim (26 June 2019). "Blackpool Transport pushes on with five-year plan". https://www.route-one.net/news/blackpool_transport_pushes_on_with_five_year_plan/. 
  6. ↑ "Uno Buses launches new fleet onto The Comet route". Coach & Bus Week (Peterborough: Emap). 19 September 2017. https://cbwmagazine.com/uno-buses-launches-new-fleet-onto-comet-route/. 
  7. ↑ "Wrexham Sapphire upgraded with City fleet". Buses (Stamford: Key Publishing). 13 July 2017. https://www.keybuses.com/article/wrexham-sapphire-upgraded-city-fleet. Retrieved 21 March 2022. 
  8. ↑ Liddell, Emily (1 November 2018). "Bluestar to launch 19 new low-emission buses for its 18 route in Southampton". Southern Daily Echo (Southampton). https://www.dailyecho.co.uk/news/17194754.bluestar-launch-19-new-low-emission-buses-18-route-southampton/. 
  9. ↑ "Take-off for Glasgow Airport fleet renewal". Coach & Bus Week (Peterborough: Emap). 30 April 2019. https://cbwmagazine.com/take-off-for-glasgow-airport-fleet-renewal/. 
  10. ↑ Deakin, Tim (2 February 2020). "First Eastern Counties introduces high-spec Excel fleet". RouteOne. https://www.route-one.net/operators/first-eastern-counties-introduces-high-spec-excel-fleet/. 
  11. ↑ "ADL: On a clear flightpath". 5 July 2016. https://www.route-one.net/news/on_a_clear_flightpath/. 
  12. ↑ "Alexander Dennis Enviro400ER gives electric range with new hybrid option". 8 August 2019. https://www.masstransitmag.com/bus/vehicles/hybrid-hydrogen-electric-vehicles/press-release/21091931/alexander-dennis-inc-alexander-dennis-enviro400er-gives-electric-range-with-new-hybrid-option. 
  13. ↑ Reid, Scott (31 January 2020). "Scottish bus firm Alexander Dennis to build up to 600 buses for Irish operator". The Scotsman (Edinburgh). https://www.scotsman.com/business/scottish-bus-firm-alexander-dennis-build-600-buses-irish-operator-1381492. 
  14. ↑ "Plug-in hybrid buses for Ireland. 100 ADL Enviro 400ER ordered". 30 January 2020. https://www.sustainable-bus.com/hybrid-bus/plug-in-hybrid-buses-for-ireland-100-adl-enviro-400er-ordered/. 
  15. ↑ "ADL lines up innovations". 8 November 2016. https://www.route-one.net/manufacturers/adl_lines_up_innovations/. 
  16. ↑ 16.0 16.1 "World first Enviro400CBG cooks on gas at Reading". 3 March 2017. https://www.route-one.net/test-drives/world_first_enviro400cbg_cooks_on_gas_at_reading/. 
  17. ↑ Deakin, Tim (22 July 2019). "NCT launches more Scania ADL biogas 'deckers". https://www.route-one.net/news/nottingham_city_transport_launches_more_gas__deckers/. 
  18. ↑ "NCT receives final biogas buses from Scania/ADL". Coach & Bus Week (Peterborough: Emap). 27 November 2018. https://cbwmagazine.com/nct-receives-final-biogas-buses-from-scania-adl/. 
  19. ↑ "NCT celebrates biogas bus anniversary as 23 more due". 4 July 2022. https://www.route-one.net/news/nct-celebrates-biogas-bus-anniversary-as-23-more-due/. 
  20. ↑ Peat, Chris (5 July 2022). "Half-decade of gas buses marked". Bus & Coach Buyer (Peterborough). https://www.busandcoachbuyer.com/half-decade-of-gas-buses-marked/. 
  21. ↑ "Reading launches gas buses on flagship route 17". Coach & Bus Week (Peterborough: Emap). 16 January 2018. https://cbwmagazine.com/reading-launches-gas-buses-flagship-route-17/. 
  22. ↑ Sturge, Elliot (8 August 2017). "Bristol launches first double-decker biogas bus". Bristol 24/7. https://www.bristol247.com/lifestyle/environment/bristol-launches-bio-gas-bus/. 
  23. ↑ "Bristol Community Transport to operate Bristol Metrobus m1 with gas bus fleet". Coach & Bus Week (Peterborough: Emap). 10 April 2018. https://cbwmagazine.com/bristol-community-transport-to-operate-bristol-metrobus-m1-with-gas-bus-fleet/. 
  24. ↑ "First West powers cleaner Bristol fleet with 77 biogas buses". 24 February 2020. http://www.transportengineer.org.uk/transport-engineer-news/first-west-powers-cleaner-bristol-fleet-with-77-biogas-buses/224391. 
  25. ↑ "Alexander Dennis recieves [sic] first order for new H2.0 platform". Coach & Bus Week (Peterborough: Emap). 7 September 2021. https://cbwmagazine.com/alexander-dennis-recieves-first-order-for-new-h2-0-platform/. 
  26. ↑ Thorp, Liam (27 July 2021). "Futuristic new buses to hit streets of the Liverpool City Region". Liverpool Echo. https://www.liverpoolecho.co.uk/news/liverpool-news/futuristic-new-buses-hit-streets-21416350. 
  27. ↑ "Alexander Dennis – Enviro200EV" (in en-GB). Bus & Coach Buyer (Peterborough: Brave Creative). 22 November 2016. https://www.busandcoachbuyer.com/alexander-dennis-enviro200ev/. 
  28. ↑ Manthey, Nora (20 July 2019). "London: First electric BYD double-deckers arrive". https://www.electrive.com/2018/06/20/electric-double-decker-buses-coming-to-london/. 
  29. ↑ Dalrymple, Will (4 June 2019). "Electric double deckers". http://www.transportengineer.org.uk/transport-engineer-features/electric-double-deckers/215626. 
  30. ↑ "BYD UK and ADL to release shorter-wheelbase Enviro400EV". 23 February 2021. https://www.route-one.net/news/byd-uk-and-adl-to-release-shorter-wheelbase-enviro400ev/. 
  31. ↑ "Short-wheelbase option launched for BYD ADL Enviro400EV". 24 February 2021. http://www.transportengineer.org.uk/transport-engineer-news/short-wheelbase-option-launched-for-byd-adl-enviro400ev/234822/. 
  32. ↑ Peat, Chris (25 May 2021). "500th BYD ADL electric bus delivered". Bus & Coach Buyer (Peterborough). https://www.busandcoachbuyer.com/500th-byd-adl-electric-bus-delivered/. 
  33. ↑ "BYD ADL tops 100 electric double-decker sales in UK with the Enviro400EV". Coach & Bus Week (Peterborough: Emap). 16 July 2018. https://cbwmagazine.com/byd-adl-tops-100-electric-double-decker-sales-in-uk-with-the-enviro400ev/. 
  34. ↑ "Stagecoach and ADL transport world leaders at COP26". 3 November 2021. https://www.route-one.net/news/stagecoach-and-adl-transport-world-leaders-at-cop26/. 
  35. ↑ Stephen, Phyllis (2 November 2021). "COP26 – world leaders take the bus". The Edinburgh Reporter. https://theedinburghreporter.co.uk/2021/11/cop26-world-leaders-take-the-bus/. 
  36. ↑ Manthey, Nora (2 November 2021). "World leaders get the e-bus at COP26 in Glasgow". https://www.electrive.com/2021/11/02/world-leaders-to-get-the-e-bus-at-cop26-in-glasgow/. 
  37. ↑ Lyons, Mark (9 March 2022). "High Spec buses launched on route 63". Buses (Stamford: Key Publishing) (805): 22. https://www.keybuses.com/article/high-spec-buses-launched-route-63. Retrieved 20 January 2022. (Subscription content?)
  38. ↑ "No Future Bus follow-up without funding settlement, says TfL". 11 February 2022. https://www.route-one.net/news/no-future-bus-follow-up-without-funding-settlement-says-tfl/. 
  39. ↑ Hampel, Carrie (16 February 2022). "BYD-ADL delivers 29 double-decker e-buses in London". https://www.electrive.com/2022/02/16/byd-adl-delivers-29-double-decker-e-buses-in-london/. 
  40. ↑ "National Express West Midlands launches first electric buses" (in en). Birmingham Updates. https://www.birminghamupdates.com/national-express-west-midlands-launches-first-electric-buses/. 
  41. ↑ "New NatEx Coventry electrics to be Enviro400EVs". Buses (Stamford: Key Publishing) (805): 6. 9 March 2022. https://www.keybuses.com/article/new-natex-coventry-electrics-be-enviro400evs. Retrieved 20 January 2022. (Subscription content?)
  42. ↑ "Warner Bros. Studio Tour London shuttle service goes electric". 9 May 2022. https://www.route-one.net/news/warner-bros-studio-tour-london-shuttle-service-goes-electric/. 
  43. ↑ "Stagecoach Manchester Enviro400EV fleet into service". 18 March 2020. https://www.route-one.net/operators/stagecoach-manchester-enviro400ev-fleet-into-service/. 
  44. ↑ Cox, Charlotte (11 March 2021). "Electric double-decker buses clock up 700,000 miles in Greater Manchester as leaders debate their future". Manchester Evening News. https://www.manchestereveningnews.co.uk/news/greater-manchester-news/stagecoach-electric-bus-reform-future-20077046. 
  45. ↑ "Stagecoach East marks anniversary of Cambridge electrics". 17 February 2022. https://www.route-one.net/news/stagecoach-east-electrics-mark-second-anniversary-in-cambridge/. 
  46. ↑ Peat, Chris (12 April 2022). "Stagecoach reveals electric ADLs". Bus & Coach Buyer (Peterborough). https://www.busandcoachbuyer.com/stagecoach-reveals-electric-adls/. 
  47. ↑ Hampel, Carrie (13 April 2022). "Aberdeen receives 22 electric double-deckers". https://www.electrive.com/2022/04/13/aberdeen-receives-22-electric-double-deckers/. 
  48. ↑ "UK's first solar-powered park and ride service launched in Stourton". 23 September 2021. https://www.route-one.net/news/uks-first-solar-powered-park-and-ride-service-launched-in-stourton/. 
  49. ↑ Trimble, James (31 March 2021). "First Bus order 126 brand new vehicles from Camelon coach builder". Falkirk Herald. https://www.falkirkherald.co.uk/business/first-bus-order-126-brand-new-vehicles-from-camelon-coach-builder-3184987. 
  50. ↑ Walker, Peter A. (11 March 2021). "Edinburgh's first fleet of electric double decker buses launches". Scottish Business Insider. https://www.insider.co.uk/news/edinburghs-first-fleet-electric-double-24397084. 
  51. ↑ "Xplore Dundee Enviro400EV fleet debuts; service in early 2022". 10 December 2021. https://www.route-one.net/news/xplore-dundee-enviro400ev-fleet-debuts-service-in-early-2022/. 
  52. ↑ Manthey, Nora (12 December 2021). "Xplore Dundee takes delivery of a dozen electric double-deckers". https://www.electrive.com/2021/12/12/xplore-dundee-takes-delivery-of-a-dozen-electric-double-deckers/. 
  53. ↑ "TfGM orders 50 Enviro400EVs for Bee Network". routeone. 22 September 2022. https://www.route-one.net/news/tfgm-orders-50-enviro400evs-for-bee-network/. 

External links




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