The adoption of a Stop/Start system is a good way in reducing the fuel consumption of a car, especially when spending a lot of time in traffic, and although it's not something new as a concept, there are a lot of design challenges. Apart from reducing the number of parts and thus the cost, as Daihatsu has done (earlier post), the durability of the system is another important factor. For example, a system like that requires a battery capable of a high number of charge/discharge cycles. So, as I was reading an article about Vitz' system (earlier post) on Response's website, I came across with an interesting fact. Toyota claims that the life of the battery used in the new Vitz is 15 years / 200,000 km.
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