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. The hydrogen tank, with a capacity of 110 liters at 350 bar stores up to 2.4 kilograms of hydrogen and is fitted in addition to the 61 liter gasoline tank. In 2005, Mazda obtained street approval for this vehicle. The following year, the first vehicles were leased to customers (Idemitsu and Iwatani). In November 2007, Mazda announced the delivery of 30 RX-8 HRE to the Norwegian hydrogen project Hynor.[1]
The bivalent RENESIS wankel rotary engine has the following data:
| Engine | twin-rotor Wankel engine | |
|---|---|---|
| Chamber volume | 2 x 654 cc (equivalent Displacement: 2,616 cc) | |
| Mode | Hydrogen | Gasoline |
| Performance | 80 kW (109 PS) | 154 kW (210 PS) |
| Maximum torque | 140 Nm at 5.000 U/min | 222 Nm at 5.000 U/min |
| Gearbox | 5-speed manual gearbox | |
| Maximum speed | 170 km/h (H2-operation) | |
| Acceleration from 0 – 100 km / h. | 10 s | |
| Range | 100 km | 550 km |
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