medium · GMAT Verbal
An argument proposes: 'The city should replace its traditional bus fleet with electric buses to reduce overall air pollution.'
Which of the following is an assumption required by this argument?
- The city already has enough charging stations to support a full electric fleet.
- All city residents currently rely on the traditional bus fleet for their daily commuting.
- Electric buses are more expensive to maintain than traditional buses.
- Electric buses produce no emissions whatsoever at any point in their life cycle.
- Traditional buses are currently a meaningful contributor to the city's air pollution.
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