Mazda to Unveil Two-Seat Sports Car Concept & Hydrogen Rotary Engine at 2003 Tokyo Motor Show Mazda Motor Corporation enters the 2003 Tokyo Motor Show with the strongest line of production and concept cars in company history, including the world premier of the two-seat Ibuki concept, an open-top, lightweight sports car that hints at a possible design direction of a future Mazda Roadster. Joining the Ibuki concept at the stand are key environmental technologies being developed by Mazda such as the unique RENESIS hydrogen rotary engine (also a world premier) and the company's latest production models, including the all-new Mazda Axela/Mazda. The 37th Tokyo Motor Show will be held at the Makuhari Messe Convention Center in Chiba City and will be open to the public from Saturday, October 25th to Wednesday November 5th, 2003. Mazda's theme for the 2003 Tokyo Motor Show, "Zoom-Zoom to the Future," highlights the continuing evolution of the company's Zoom-Zoom spirit, embodied by consecutive successes scored by Mazda’s new-generation vehicles: Atenza/Mazda6, Demio/Mazda2, Mazda RX-8 and the newly-introduced Axela/Mazda3. All have received critical acclaim from media and customers in markets around the world and are helping drive Mazda's current sales success. With this year’s theme, Mazda is also emphasizing its intention to continue delivering "exciting and exhilarating driving experiences" to its customers. Mazda Ibuki concept The Mazda Ibuki concept clearly showcases Mazda’s current efforts in both design and technology as the development team works to further refine the company’s famous lightweight, open-top sports car. The Ibuki concept (the name comes from a Japanese word that refers to “breathing new energy into” and “adding vigor”) reaches back to its 1989 origins in a simple and clean design that hints at one possible approach for a future Roadster/MX-5 model. Powered by a MZR 1.6-liter, four-cylinder engine, the Ibuki concept successfully realizes a super front-midship layout (as also found in the Mazda RX-8) that places all major components within the wheelbase. Compared to the layout in the current Mazda Roadster/MX-5, the engine is positioned approximately 400 mm further to the rear, while the air conditioner unit is located behind the seats. Thanks to the super front-midship layout, yaw inertia moment has been greatly reduced, further enhancing the pure fun and drivability—a oneness between car and driver—that has been central to the Roadster's/MX-5’s ongoing success. Mazda RX-8 Hydrogen RE (Prototype) This technological concept vehicle powered by the Mazda RENESIS hydrogen rotary engine is now undergoing running tests. The hydrogen version of RENESIS is the latest example of the company's efforts to satisfy the demand for both environment-friendliness and exhilarating performance. By making the most of the unique rotary-engine technologies, Mazda was able to develop this powerplant as one proposal for an alternative-energy vehicle aimed at a future hydrogen-based society. In addition to direct hydrogen injection into the intake chambers via two electronically-controlled injectors per rotor, the Mazda RX-8 Hydrogen RE features a dual-fuel system allowing one-touch switching between either hydrogen or gasoline, enhancing the car's versatility while a hydrogen fuel infrastructure is developed. Other environmental-friendly features applied to the vehicle include a plant-based plastic for interior parts and an application of three layer wet paint system. Mazda is also presenting advanced technologies including a hybrid system with electric torque assist and start-stop technology, and a turbocharger with electric motor assistance—technologies that will contribute to future enhancement of hydrogen rotary engine performance. MZR 2.0 PZEV petrol engine The gasoline engine mounted in the Axela/Mazda3 for the US market meets Partial Zero Emissions Vehicles (PZEV) standards – the world’s strictest emissions standard for gasoline engines – adopted by "Green States" in the US. New MZR-CD diesel engine This newly-developed, next-generation diesel engine achieves a superb balance between power, fuel efficiency and quiet operation. Innovative technologies such as a catalyzed diesel particulate filter and improved fuel efficiency achieve a significant reduction in emissions of PM and NOx, and black smoke is reduced to virtually zero. Pre-crash safety technologies These advanced technologies include front and rear sensors for crash prediction, and advanced measures to minimize harm to occupants in the event of a collision. When an accident is predicted, the system automatically tightens the seatbelts, applies the brakes and adjusts headrest position. Safe-driving support with regard to fatigue Safe-driving support includes measures such as route-selection suited to the individual driving style and how the driver experiences the burden of driving, and appropriate delivery of information and alerts in accordance with driver fatigue as measured in real time by a new algorithm.

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