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Governments and automakers all around the world are

promoting electric vehicles as a critical technology for reducing oil use and combating climate change.

For example, Volvo said

said this week that it will move even quicker, introducing an all-electric lineup by 2030.

But, as EVs become more popular, a recurrent concern has arisen:

Are they truly as environmentally friendly as they claim?

While most experts believe that EVs are more environmentally friendly than traditional vehicles

they can still have environmental impacts depending on how they're charged and produced.