Manual control of all gear changes
							                                
                                        
                                    
							                        
                    
                            Gear changing controlled by electronic systems
							                                
                                        
                                    
							                        
                    
                            Fixed gear ratios
							                                
                                        
                                    
							                        
                    
                            Increased fuel consumption
							                                
                                        
                                    
							                        
                     
	 
	