Complex sentence: Among the different modes of transportation, the use alternative energy cars and widespread instillation of refueling stations has gained increasing importance, while the creation of centralized bike and walking paths remains a staple of the sustainable transportation movement.
Split into simpler sentences: Among the different modes of transportation, the use alternative energy cars and widespread instillation of refueling stations has gained increasing notoriety. Also, the creation of centralized bike and walking paths remains a staple of the sustainable transportation movement.