By driving at higher speeds where possible
							                                
                                        
                                    
							                        
                    
                            By having your vehicle serviced regularly
							                                
                                        
                                    
							                        
                    
                            By keeping an empty roof rack on your vehicle
							                                
                                        
                                    
							                        
                    
                            By revving the engine in the lower gears
							                                
                                        
                                    
							                        
                     
	 
	