Gaseous fuels
Liquefied Petroleum Gas (LPG)
- Propane
- Butane
- Propane-Butane Mixture (Propane-Butane)
Liquefied Butane-Propane (LBP)
Liquefied Natural Gas (LNG) (Primarily Contains Methane)
- LNG – Liquefied Natural Gas
Synthetic Natural Gas (SNG)
Compressed Natural Gas (CNG) (Primarily Contains Methane)
Autogas (Automotive Propane)