A large city with extensive public bus transportation is having a city council meeting to discuss replacing its diesel-powered buses with electric ones. Which of the following will most likely convince those who are opposed to it due to budget considerations?
a. It will attract more green businesses to the immediate area.
b. It will save money over time because the more expensive diesel fuel is no longer necessary.
c. It will generate more income by attracting more passengers.
d. It will save time for the bus drivers, as they won't have to get gas.