Martha and Helen decide to enter Wagstaff City's Go Green Go-Cart race. They do some research and visit the junkyard to find what they need to built a solar-powered cart. T.D. and Alice also visit he junkyard because they are making a wind-powered cart. Ronald and Reginald win the race with their cart "powered by a goldfish" but later they fight and crash into a post revealing that it is a lawnmower! T.D. and Alice are the real winners and Junkyard Joe gives them the trophy. Includes facts about.
- ISBN10 0547995474
- ISBN13 9780547995472
- Publish Date 2 April 2013
- Publish Status Out of Stock
- Publish Country US
- Imprint Houghton Mifflin
- Format Hardcover
- Pages 24
- Language English