Exhaust Some Energy is the 5th and final book in The Eco-heroes’ series. The story’s hero is Ahmed from the UAE who understands why moving towards clean renewable energy is so important for the planet. He is excited when his class is given an urgent quest to find eco-friendly transport for the future, but will his uncle help him after ‘the incident’ at the stables? Find out more about where energy comes from and why nature has the answers.