The world’s population is growing every day, which means that there are more commuters who need to get around. The increase in commuters will make gridlock in urban areas much worse, and will also put a lot of pressure on aging and outdated public transit systems. Not to mention, it could be devastating to the environment. To combat the growing problem, new, inexpensive, and innovative forms of transportation are going to be needed. While self-driving cars are expected to become the norm in about 25 years, what other forms of transportation will we be using?