Mazda RX-8 Hydrogen RE

The Mazda RX-8 Hydrogen RE is a 2003 bi-fuel version of the RX-8 sports car, in which the twin-rotor wankel rotary engine is configured to run on either hydrogen or gasoline. This is the fifth Mazda vehicle to be fitted with a hydrogen wankel rotary engine.

Mazda RX-8 Hydrogen RE
Overview
ManufacturerMazda
Also calledMazda RX-8 HRE
Production2003; 2006 (Prototype)
Body and chassis
RelatedMazda RX-8
Powertrain
Engine1.3 L, 2-rotor Renesis R2 Wankel Rotary engine
Transmission5-speed manual
4-Speed Jatco-Mazda RC4A-EL automatic
Hybrid drivetraindual-fuel system
Range100 km (62 mi) (Hydrogen mode)

Specifications
Mazda RX-8 Hydrogen RE rear

The hydrogen tank is made up of aluminum and carbon fibre and has a capacity of 110 liters at 350 blolar stores up to 2.4 kilograms of hydrogen and is fitted in addition to the 61-liter gasoline tank. The car can be switched from gasoline to hydrogen mode using a button in the cabin.[1] The Hydrogen tank takes up most of the RX-8s trunk space and all the hydrogen components weigh in at 187 lbs in total. Running in hydrogen mode, it produces no emissions other than water vapor and has a range of around 100 km (62 mi).[2] In 2005, Mazda obtained street approval for this vehicle. The following year, the first vehicles were leased to customers in Idemitsu and Iwatani at a price of 420,000 JPY per month.[3] In November 2007, Mazda announced the delivery of 30 RX-8 HRE to the Norwegian hydrogen project Hynor.[4]

The bivalent RENESIS wankel rotary engine has the following data:

Engine twin-rotor Wankel engine
Chamber volume 2 x 654 cc (equivalent Displacement: 1,308 cc)
Mode Hydrogen Gasoline
Performance 80 kW (107 hp, 109 PS) 154 kW (206 hp, 210 PS)
Maximum torque 140 Nm (103 lb ft) at 5.000 U/min 222 Nm (164 lb ft) at 5.000 U/min
Maximum speed 170 km/h (106 mph) (H2-operation)
Acceleration from 0–100 km/h (0-62 mph). 10 seconds 7.2 seconds

See also

References
  1. "Mazda RX-8 Hydrogen Re and Premacy Hybrid RE - Motor Trend". Motor Trend. 2009-09-11. Retrieved 2018-04-23.
  2. "Mazda RX-8 Hydrogen RE (2007) review". CAR Magazine. Retrieved 2018-04-23.
  3. "Mazda Starts Leasing Rotary Hydrogen Vehicles". Mazda Motor Corporation. 15 February 2006. Retrieved 18 July 2016.
  4. "Norway to trial Mazda RX-8 Hydrogen RE". newatlas.com.
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