Elektrisko sk?teru noma
Vai v?laties izm??in?t elektrisko sk?teri? Da??di uz??mumi pied?v? ?r?t motorolleri.
Mekl?t Google vietn? elektrisk? motorollera noma nomas uz??mumiem j?su re?ion?.
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Disku bremzes: gaisa pies?r?ojums
Gaisa pies?r?ojums, ko rada disku bremzes, rada 20 % no kop?j?s emisijas, ko rada standarta automa??na, un pies?r?ojums (?pa?i smalki putek?i) cilv?kiem ir toksisk?ks nek? izpl?des g?ze.
"Vehicle tailpipe emissions are going down, but the emissions from disc brakes will remain to some extent, even if you drive an electric car," Weber said. "Therefore, this kind of process will continue to play out in the future and will be an important consideration when we look at the health effects of particulate matter." (Phys.org)