Usages of fossiilinen
Moni maa käyttää niin uusiutuvaa energiaa kuin fossiilista polttoainettakin.
Many countries use both renewable energy and fossil fuels.
Meidän täytyy korvata fossiiliset polttoaineet aurinkopaneeleilla ja tuulivoimalla.
We must replace fossil fuels with solar panels and wind power.
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