What Does A Barrel Of Oil And Whiskey Have In Common?
                    
                    
                                                
                            Petroleum Service Company
                        
                         on May 23 2013
                    
                    Why are there 42 gallons to a barrel of oil? Doesn't 42 gallons seem like a strange number when 55 g…
                
                 
                    
 
                         
         
         
                