Economics for Today 9th Edition by Irvin Tucker

تمرين 30

California once proposed legislation that would have required 10 percent of its car fleet to be nearly emissions-free by the year 2003. This mandate spurred electric vehicle research. Such vehicles could be powered by photovoltaic cells or by batteries that are recharged using an electrical outlet. Would you agree that it is correct to conclude that electric vehicles that use electrical outlets are emissions-free? What about electric vehicles powered by photovoltaic cells?