Is there a Weber with methane gas? At the moment no bbq model powered by Natural Gas - Methane is planned or available for the market. Any modification of the bbq will void the warranty. See the article Can i modify my barbecue? Related articles Not possible to register a compact kettle. Can I Modify My Grill? How long does the Weber gas cartridge last? What gas do I use for my Gas Go Anywhere? How much charcoal or briquettes should I use in my charcoal barbecue?