Yamaha EC-03 electric scooter

Yamaha Motor Co Ltd has announced the release of the new electric commuter EC-03 and the sale of the zero-emission scooter will be started from September 1 in Tokyo and nationwide from October 1, 2010.

EC-03 electric scooter is powered by a new high energy density 50V lithium-ion battery manufactured by SANYO Electric Co Ltd and Yamaha Motor’s exclusive super-slim Yamaha Integrated Power Unit (YIPU). The 50V lithium-ion battery also contributes to improved torque (power development) characteristics in the low-speed range. The  battery charging is completed in about six hours and the running distance per charge is 43km at 30km/h on a windless flat road at 25°C, running in Standard Mode with a load (rider) weight of 55kg on a fully charged battery.

The battery charging system is a plug-in type that increases convenience by making it possible to charge the vehicle where an electric outlet is available. The charger unit is built into the vehicle at the rear end of the seat, so charging is done by simply connecting the plug from the machine to the outlet (3-hole grounded type) by means of an electric cord. The EC-03 can be charged from a 100V household electrical outlet (3-hole grounded type). 

EC-03 will be available in white and very dark orange metallic 1 (brown) colours.

The super-slim power unit YIPU is adopted on EC-03 model. It features a direct-drive type in-hub motor to minimise drive power-transmission loss and computer control to calculate output based on rear wheel rpm and throttle position for smooth running performance. In combination with optimum gear settings, the built in electronic throttle and specially designed tires, this unit helps provide a silky-smooth and quiet ride.

The newly designed motor and control unit help achieve added torque when starting and in the low-speed range (approximately 10%-15% more than the existing model). Due to the use of aluminum in the frame and wheels, the weight of the new EC-03 is just 56 kg.

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4. Toyota launches ‘Aqua’ gasoline-electric compact hybrid in Japan
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