END-OF-CHAPTER QUESTIONS
                                    Completion requirements
                                    
            
                            
                        
            
                                    
                                        
                                    
                                
                        
            - What are the advantages of battery-powered vehicles compared to internal combustion engine vehicles?
 - Who built the first working fuel cell prototype?
 - What is the waste product of a hydrogen-oxygen fuel cell?
 - What is one of the biggest disadvantages of electric powered vehicles?
 - What is a fuel cell?
 - What does a fuel cell consist of?