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Norway is also finding that millions can be saved in new tunnel construction https://www-tu-no.translate.goog/artikler/med-flere-elbiler-kan-vegvesenet-spare-300-mill-pa-ventilasjonen-i-rogfast/506638?_x_tr_sl=no&_x_tr_tl=en&_x_tr_hl=en-US&_x_tr_pto=wapp https://www-tu-no.translate.goog/artikler/med-flere-elbiler-...