關於「Towngas vs LPG」標籤，搜尋引擎有相關的訊息討論：

EMSD : Types of Domestic Fuel Gases and Their Properties (246)www.emsd.gov.hk › gas_safety › gas_safety_tips_to_users[PDF] APPROVED LIST OF DOMESTIC GAS APPLIANCES (LP GAS)www.emsd.gov.hk › content_261 › GU05_LPG_Approved_ListCan Liquefied Petroleum Gas (LPG) appliances be used