The United States lags behind other countries when it comes to transportation - aside from cars. Be it public transportation or in this case, bicycles, Americans just love cars too much. Unfortunately, there's a threshold for how cars affect local economies. For many on the lower end of the income spectrum, cars are unaffordable. Be it gas, insurance, maintenance, repairs, and the car itself - costs quickly add up. Cal State University of Northridge is spearheading Limebike.