Driving within the speed limit
							                                
                                        
                                    
							                        
                    
                            Using the wrong grade of fuel
							                                
                                        
                                    
							                        
                    
                            Having an empty roof rack on your car
							                                
                                        
                                    
							                        
                    
                            Reducing your speed
							                                
                                        
                                    
							                        
                     
	 
	