Batteries have changed a lot in the past century, but there is still work to do. Improving this type of energy storage technology will have dramatic impacts on the way Americans travel and the ability to incorporate renewable energy into the nation’s electric grid.
On the transportation side, the Energy Department is working to reduce the costs and weight of electric vehicle batteries while increasing their energy storage and lifespan. The Department is also supports research, development and deployment of battery technologies that would allow the electric grid to store excess energy to meet future demand.
Find out how the costs to drive an electric vehicle in your state compared to the price of gasoline.
Explore the history of the electric car with our interactive timeline.