Electric bikes are 20 to 50 times more environmentally friendly than electric cars, emitting 2 to 5 grams of CO2 per kilometre driven. Even if you charge your bicycle's battery with green electricity, there can be CO2 emissions along the entire sustainability chain, because bicycles are produced in countries where the electricity mix is not yet as green. Electric bikes also contain a lot of rare, valuable materials. Those who care about sustainability should therefore choose a high-quality bicycle and use it for as long as possible.
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