text: Lastly, limiting car usage lowers emissions and improves safety. This is shown in Elisabeth Rosenthal's "The End of Car Culture." Elisabeth states that "...it will have beneficial implications for carbon emissions and the environment." Elisabeth Rosenthal also states that "...transportation is the second largest source of America's emissions just behind power plants." Limiting car usage also improves safety. Last year in Barcelona, Spain, Bill Ford, executive chairman of the Ford Motor Company, proposed partnering with telecommunications. Bill Ford wanted to partner with the telecommunications industry to create cities in which "pedestrian, bicycle, private cars, commercial and public transpotation traffic are woven into a connected network to save time, conserve resources, lower emissions and improve safety." This statement forms the theory that limiting car usage has many advantages.