The Largest Problem with Adopting the New Technologies of Renewable

The largest problem with adopting the new technologies of renewable resources is that __________________

A) the startup costs may be high
B) energy production facilities are not located near consumers
C) long -term maintenance costs are much higher than those for fossil fuels
D) the energy sources are generally unavailable
E) technological advances have not been made in the last 30 years to meet our energy needs