Prius gets humming device to warn pedestrians
The Toyota Prius has been the best selling car in Japan for the past 16 months, thanks to incentives from Japanese government to boost the sales of environment friendly cars. Toyota has sold about 340,000 3rd generation Prius cars in Japan. It has sold more than 2.7 million hybrid cars worldwide so far, and almost half of them in Japan. There were complaints particularly from the blind and aging population in Japan that they can not hear the hybrid car approaching as it is too quiet. So finally Toyota Prius hybrid car is going to become a little noisy with a novel electronic gadget that will produce a whirring sound to warn the pedestrians.

This new device for Toyota Prius is based on suggestions regarding the dangers of silent electric and hybrid automobiles prepared by the Government of Japan in January this year. The new Prius cars will have a speaker system installed beneath its hood which will produce a humming sound which has almost the same decibel level that of a normal car engine. This new system will cost about 12,600 yen (US$ 145), and will go on sale in Japan from August 30.
It is up to the Prius car owner to install this system as its use is voluntary. Owners will have to pay extra installation charges. The noise making gadget’s humming is not so jarring and it is barely audible in noisy city traffic, but can be of a great help in quieter places. The humming gadget can be switched off by the driver but it would switch on automatically every time the car is started.
Toyota has not yet decided about introducing this passenger warning system for their Prius models in other countries, but the Japanese car maker is going through regulations of different countries including the United States as it is considering to market the device in these countries too. Toyota, the Japanese car maker which also manufacturers the Lexus luxury and Camry sedan models, has plans to release the noise making gadget for other plug-ins, hybrid models, electric vehicles, and vehicles powered by fuel cells.
A research carried out by the United States government last year revealed that compared to cars with conventional engines, hybrid cars are more likely to be involved in accidents involving pedestrians at lower speeds. The electric-gasoline hybrid delivers good fuel efficiency and mileage, but it is also super quiet as the engine runs as an electric motor most of the time – particularly at lower speeds. Hence, it received complaints especially from the blind and old pedestrians who are more prone to be hit by the hybrid car, particularly at low speeds. As Japan’s crowded cities have crisscrossing, narrow roads and streets, the pedestrian death instances compared with other traffic accidents are quite high. Japan also has a large percentage of aging population, which makes audible cars critically necessary.
Other Japanese auto maker Nissan is also working on similar measures to make quiet eco-friendly cars safer for pedestrians.
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Posted August 26, 2010
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