関連ワード:  are electric cars more than gas cars    are electric cars more expensive than gas cars    are electric cars more reliable than gas cars    are electric cars more dangerous than gas cars    are electric cars more affordable than gas cars    are electric cars more efficient than gas cars    are electric cars more flammable than gas cars    are electric cars more safe than gas cars    are electric cars more durable than gas cars    are electric cars more polluting than gas cars