Symbol 2489 from ISO 7000 - Title/Meaning: LPG fuel; liquefied petroleum gas 
Function/description: To indicate low LPG fuel. To identify the LPG fuel gauge. To identify the LPG filler cap or fill point.
Own work using: iso.org/obp/graphics/grs/21169360-42a4-48a0-883f-d838f8fe431e 200.png
Vectorization:  Mrmw