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The Subaru R1e was a battery-electric microcar produced by Fuji Heavy Industries (FHI),[1] first shown at the 2003 Tokyo Motor Show.[2] The concept was jointly developed to prototype form with Tokyo Electric Power (TEPCO), the giant Japanese utility company.[3] At least 40 prototypes were built by FHI and tested by TEPCO and the New York Power Authority.[4] The vehicle had a range of 80 kilometres (50 mi) and a top speed of 100 km/h (62 mph).

Contents

1 History 2 Technical 3 See also 4 References 5 External links

History[edit] The 2003 concept vehicle was a three-door hatchback with 2+2 seating. The later R1 Japanese-market micro shared the styling and chassis with the R1e and was exhibited as a prototype at Tokyo Motor Show 2004, one year after the R1e concept.[5] The R1 adopted a "one-motion form" with "a flowing eggshell shape" that "effectively absorb[ed] crash impact".[5][6] It was styled with the same grille as the 1st generation B9 Tribeca, which had been introduced earlier in 2003 as a signature corporate look on the B11S concept vehicle. The R1e would go on to be exhibited at Geneva in early 2004[7] before Subaru announced the R1 micro would enter regular production for 2005 as a conventionally-powered gasoline vehicle.[6]

Subaru R1e

In 2005, FHI and TEPCO announced a joint project to develop ten prototype vehicles based on the R1e concept.[3] Under the agreement, FHI was responsible for vehicle production and monitoring performance under daily use to optimize cost, battery capacity, and vehicle weight. TEPCO was responsible for developing a rapid electric charger. The performance goals were for a daily driving range of 80 km (50 mi) and a charger capable of restoring the battery to 80% of full capacity within fifteen minutes.[3] Compared with the concept, the prototypes had their seats reduced to 2. Prototypes were manufactured at the Subaru Technical Research Center in Mitaka, Tokyo, and were scheduled to be delivered to TEPCO between October 2005 and March 2006.[3] The delivered prototypes received intense interest from electric vehicle fans owing to their modern lithium-ion battery technology, appropriate size, and potential performance attributes. The R1e was exhibited at Detroit in January 2006, billed as "the ideal ecology car" and touting its use of a lithium-ion battery pack, featuring rapid charging and low maintenance.[8] FHI, TEPCO, and NEC Lamilion Energy (NLE) jointly received an award from the Ministry of the Environment in November 2006 for the development of the R1e.[9] In February 2007, Subaru announced its intent to market the R1e as a city commuting car.[10] Subaru would go on to release the electric concept G4e at the Tokyo Motor Show in late 2007 as a follow-up to the R1e with an improved battery, range, and bolder styling.[11] By February 2008, TEPCO was using 40 R1e electric vehicles commercially, and Subaru announced that 100 R1e vehicles would be test marketed in Japan during 2009.[12] Two R1e electric vehicles were adopted into the New York Power Authority fleet in March 2008.[13][14] The R1e's propulsion design and experience were incorporated into a plug-in Stella prototype exhibited in June 2008, and FHI announced plans to test-market electric Stella vehicles during the upcoming 2009 fiscal year.[15] Technical[edit]

R1e underhood detail

The R1e used a laminated lithium-ion battery which was developed by NLE, a joint venture established by FHI with NEC.[2][3][16] The design goal was for 80 kilometres (50 mi) of city driving range using a designed capacity of 8 kW-hr with a top speed of 100 km/h (62 mph), and a battery life goal of retaining at least 80% of initial capacity after seven years or 70,000 kilometres (43,000 mi).[3] Measured performance of the battery pack included a recharge capability to 80% capacity in eight minutes with a special rapid charger using 200 V, or to 100% charge in eight hours on a standard 100 V plug. Battery life is at least 10 years or 209,000 kilometres (130,000 mi).[13] TEPCO planned on producing 150 fast-charge stations.[17] See also[edit]

Hitachi Maxell Subaru R1 Subaru G4e

References[edit]

^ "Subaru R1e Electric Switch Debut in Geneva". Worldcarfans.com. 2007-02-07. Retrieved 2010-11-27.  ^ a b "Booth Guide: Subaru". Tokyo Motor Show. 2003. Retrieved 7 June 2017.  ^ a b c d e f "Fuji Heavy Industries and Tokyo Electric Power Begin Joint Development of Electric Vehicles" (Press release). Subaru Corporation. 2 September 2005. Retrieved 7 June 2017.  ^ "subaru-r1e-electric-car". Greencarsite.co.uk. Retrieved 2010-11-27.  ^ a b "Exhibition outline of the 38th Tokyo Motor Show for Commercial & Barrier - free Vehicles" (Press release). Subaru Corporation. 14 October 2004. Retrieved 7 June 2017.  ^ a b "Fuji Heavy Industries Introduces the Subaru R1, an All-New Mini Car" (PDF) (Press release). Fuji Heavy Industries. 24 December 2004. Retrieved 7 June 2017.  ^ "Exhibition outlines of the 74th Geneva International Motor Show" (Press release). Subaru Corporation. 12 February 2004. Retrieved 7 June 2017.  ^ "Exhibition outlines of The 2006 North American International Auto Show" (Press release). Subaru Corporation. 10 January 2006. Retrieved 7 June 2017.  ^ "富士重工業、電気自動車の開発が評価され、東京電力、NECラミリオンエナジーと共同で、「平成18年度地球温暖化防止活動環境大臣表彰」を受賞" [Fuji Heavy Industries and TEPCO, in collaboration with NEC Lamilion Energy, were awarded the 2006 "Global Warming Prevention Activity Commendation" from the Minister of the Environment] (Press release). Subaru Corporation. 20 November 2006. Retrieved 7 June 2017.  ^ "Exhibition Outlines of the 77th Geneva International Motor Show" (Press release). Subaru Corporation. 8 February 2007. Retrieved 7 June 2017.  ^ Erin Riches (2008-08-08). "Subaru G4e Concept - 2007 Tokyo Auto Show". Edmunds.com. Retrieved 2011-09-30.  ^ "Exhibition Outlines of the 78th Geneva International Motor Show" (PDF) (Press release). Subaru Corporation. 8 February 2008. Retrieved 7 June 2017.  ^ a b "Subaru to evaluate quick charge electric car with New York Power Authority" (Press release). Subaru Corporation. 20 March 2008. Retrieved 7 June 2017.  ^ Chang, Richard S. (22 March 2008). "A Tiny Electric Visitor". The New York Times. Retrieved 7 June 2017.  ^ "FHI Developed Subaru Plug-in STELLA Prototype and will provide 15 units to the Ministry of the Environment, Japan" (Press release). Subaru Corporation. 16 April 2009. Retrieved 7 June 2017.  ^ "NEC and FHI to Establish Joint Venture to Develop a Rechargeable Battery for Automobiles" (Press release). Subaru Corporation. 14 May 2002. Retrieved 7 June 2017.  ^ "Subaru News Subaru wins top environmental commendation". Easier.com. 2007-01-11. Retrieved 2010-11-27. 

External links[edit]

Wikimedia Commons has media related to Subaru R1e.

msnbc.com article concerning limited production placement with an electric utility Allen, Mike (12 November 2011). "Subaru R1e Electric Car Exclusive Test Drive Video". Popular Mechanics. Retrieved 7 June 2017. 

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