The presenter Dr. Alvin Compaan, Distinguished University Professor Emeritus in the Physics and Astronomy Department at the University of Toledo, discussed four types of infrastructure innovations. Of the following, which is not one of those innovations?

President Franklin Roosevelt was responsible for starting a program called REA which extended the electric grid to rural areas. What does REA stand for?

According to Dr. Compaan, how often do we see transitions in our use of energy?

What industry receives the highest average annual energy subsidy?

Dr. Compaan’s company is scaling up its transparent, thin film PV coating for windows and sunroofs. What is his company called?