<P> In 2002 , Zippo expanded its product line to include a variety of utility - style multi-purpose lighters , known as Zippo MPLs . This was followed in 2005 with the Outdoor Utility Lighter , known as the OUL . These lighters are fueled with butane . In August 2007 , Zippo released a new butane lighter called the Zippo BLU . </P>
what type of fuel goes in a zippo
butane