Under-inflated tyres
							                                
                                        
                                    
							                        
                    
                            Driving on motorways
							                                
                                        
                                    
							                        
                    
                            Using different brands of fuel
							                                
                                        
                                    
							                        
                    
                            Reducing your speed
							                                
                                        
                                    
							                        
                     
	 
	