Which of the Following Would Be Expected to Have the Greatest

Multiple Choice

Which of the following would be expected to have the greatest impact in reducing the demand for electric-power-generating plants in the United States?

A) installing very efficient geothermal systems to cool homes in the summer
B) increasing the number of hybrid electrical cars in the United States
C) adopting policies that promote salmon migrations by removing dams
D) requiring companies to turn off all lights on weekends when nobody is working