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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 bar 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]
Mazda RX-8 Hydrogen RE. At the 2004 North American International Auto Show, Mazda unveiled the RX-8 Hydrogen RE concept car, designed to run on either hydrogen or gasoline. In February 2006, Mazda announced that it would start leasing a dual fuel RX-8 to commercial customers in Japan, and in March, 2006 announced its first two customers ...
1991 – Mazda HR-X hydrogen Rotary; 1993 – Mazda HR-X2 hydrogen Rotary; 1993 – Mazda MX-5 Miata hydrogen Rotary; 1995 – Mazda Capella, first public street test of the hydrogen Rotary engine; 2003 – Mazda RX-8 Hydrogen RE hydrogen-gasoline hybrid Rotary; 2005 – Mazda Premacy Hydrogen RE Hybrid; 2007 – Mazda Hydrogen RE Plug in Hybrid
2003–2012 RX-8 sports car; 2003 RX-8 Hydrogen RE bi-fuel sports car; 2004–2015 Verisa subcompact car; 2006–2024 CX-9 SUV; 2007–2012 CX-7 crossover SUV; 2008–2018 Biante minivan; 2013–2017 VX-1 mini MPV; 2016–2024 CX-4 crossover SUV
Since hydrogen station growth has stalled and hydrogen prices exploded, fuel cell sales have stalled too. In the first half of 2023, 1,765 such cars were sold or leased. This year's first half: 298.
After Mazda RX-8 production ceased in 2013, Mazda has carried on with testing prototypes to re-introduce the rotary as part of the "SkyActiv" lineup, dubbed SkyActiv R, displacing 1600 cc and featuring direct injection, laser ignition and forced induction. Wankel family – 1.0 L-2.0 L Wankel (1967–present) 10A – 1.0 L (1967–1973)
It was then used from 1985 to 1992 in the RX-7 FC, in Naturally Aspirated or Turbocharged options, then once again in the RX-7 FD in a twin turbocharged form from 1992. It disappeared from the US market again in 1995, when the last US-spec RX-7s were sold. The engine was continually used in Japan from 1972's Mazda Luce/RX-4 through 2002's RX-7.
A 67 ml 4-stroke engine converted to hydrogen and tested with a dynamometer at the best operating point (3000 rpm, 14 NLM (normal liters per minute), 2.5 times stoichiometric air/fuel ratio) achieved 520 W and 21% efficiency. In order to measure the vehicular efficiency an also converted similar 107 ml engine (Honda GX110 with best gasoline ...