You are a regulator at the U.S. Department of Transportation and have been asked to analyze market changes in the U.S. market for electric vehicles (cars that are powered by batteries instead of gasoline). Discuss how each of the following changes would affect the U.S. market for electric vehicles. Make sure to identify whether the change affects the supply or demand curve and any impacts on equilibrium price and quantity. Draw a graph showing the changes and explain which factor is causing the change