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Environmental Initiatives

Environmental Initiatives

Mazda to Participate in Norwegian National Project to Realize a Hydrogen Energy Society

Towards the Creation of a Hydrogen Society

In March 2007, Mazda announced its long-term vision for technology development, "Sustainable Zoom-Zoom." The section on powertrain development describes Mazda's intention to maintain its focus on internal combustion engines, to pursue hydrogen combustion technology in preparation for the forthcoming hydrogen society, and through this process of evolution, to offer pragmatic technologies to support the social infrastructure as it develops.

As well as emitting no CO2, Mazda's hydrogen rotary engine eco-cars use internal combustion, and so deliver a true engine feeling to provide the driver with lots of Zoom-Zoom driving pleasure. Going forward, Mazda will advance its development programs to improve combustion efficiency and hybrid technology, and further evolve its hydrogen rotary engine vehicles.

As the world's only manufacturer of hydrogen rotary engine vehicles, Mazda intends to support this advance towards the creation of a sustainable automotive society based on hydrogen energy.

The World's First Hydrogen Rotary Engine Vehicle - The RX-8 Hydrogen RE

The World's First Hydrogen Rotary Engine Vehicle - The RX-8 Hydrogen RE

  • Employs a dual-fuel system that runs on both hydrogen and gasoline

Employs a dual-fuel system that runs on both hydrogen and gasoline

Employs a dual-fuel system that runs on both hydrogen and gasoline


  • Mazda's History of Hydrogen Vehicle Development
1991 Development of the HR-X, the first hydrogen rotary engine vehicle
1992 Test drive of golf cart equipped with fuel cell
1993 Development of the HR-X2, the second hydrogen rotary engine vehicle
Development of prototype Roadster equipped with hydrogen rotary engine
1995 Japan's first public road tests of a hydrogen rotary engine vehicle, the Capella Cargo
1997 Development of the fuel cell equipped Demio FC-EV
2001 Development of the fuel cell equipped Premacy FC-EV (methanol reformer method) and Japan's first public road tests
2003 Development of RX-8 hydrogen rotary engine vehicle announced
2004 RX-8 Hydrogen RE receives approval from Japan's Ministry of Land, Infrastructure and Transport to operate on public roads
2006 Commercial leasing of RX-8 Hydrogen RE begins in Japan
2007 Agreement reached to join Norwegian government project HyNor and to deliver 30 RX-8 Hydrogen RE vehicles
2008 Premacy Hydrogen RE Hybrid certified by Japan's Ministry of Land, Infrastructure and Transport

The Premacy Hydrogen RE Hybrid

The Premacy Hydrogen RE Hybrid

  • System Configuration

System Configuration

Moving on from the RX-8 Hydrogen RE, Mazda is currently developing the Premacy Hydrogen RE Hybrid, which is a more practical and advanced hydrogen rotary engine vehicle. It includes a newly developed hybrid system and inherits the RX-8's dual fuel system. As such, it is the world's first dual-fuel hydrogen hybrid vehicle.

In the new Premacy Hydrogen RE Hybrid, the power unit output is increased by 40% compared to the RX-8 Hydrogen RE, significantly boosting acceleration and improving fuel efficiency. It also doubles the hydrogen fuel range of the RX-8 Hydrogen RE to 200 kilometers. The extremely efficient and responsive hybrid system in Mazda's latest eco-car enhances the fuel economy and power output and delivers a true engine feel, enabling more spirited Zoom-Zoom driving.

Furthermore, the environment was taken into consideration in the use of materials. The Premacy Hydrogen RE Hybrid features several injection molded interior plastic parts, such as the shifter panel and lower console panel, that are made from plant-derived bioplastic. The world's first 100% plant-derived biofabric is used for the seat covers and door trim.

The Premacy Hydrogen RE Hybrid is scheduled to begin commercial leasing during FY2008 in Japan.

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