With growing concerns about the environmental impacts of gasoline and diesel use— including carbon dioxide emissions from the automobile industry, major oil spills, and harmful mining practices— many drivers, companies, and scientists are searching for renewable energy sources to fuel their personal cars and vehicle fleets.
Several of the most popular alternative sources include electricity and biodiesel, but which one has more potential when it comes to driving the cars? The significant increase in electric vehicle demand and popularity makes electric and battery-powered cars a strong competitor, but there are still plenty of other energy sources out there to explore and grow.
From the most well-known renewable sources, such as electricity, to those that maybe you've never even heard, such as coffee grounds and feces, we've assembled a list of both viable and fascinating potential energy sources that are being introduced or researched to fuel our road future.
infographic by: www.carrentals.com
