Envision a brighter future with this STEM-based subset of True Books. Electric cars. Solar-powered planes. Poop-fueled trucks. Each of these technological advances in transportation is bringing us ever closer to a green future, and more are being developed all the time. Considering how many vehicles are on our roads = and in the water and air = sustainable transportation might be the most important innovation we can make to ensure our planet's future. Learn how in Green Transportation . ABOUT THE SERIES: What would a green future look like? Will trains and airplanes be powered by the sun? Will we have homes that have zero impact on the environment? The most pressing challenge facing us today is how to ensure a healthy Earth for ourselves and future generations. This STEM-based set of A True Books introduces students to the engineering innovations that can help us reach those goals. Interesting information is presented in a fun, friendly way = and in the simplest terms possible = and will inspire kids to start envisioning and enacting a more sustainable future.