| 1 | I used propane to check for vacuum leaks. | |
| 2 | Marcy lights a propane camp heater inside the stand, but it's still cold. | |
| 3 | It can ostensibly run on a variety of fuels, including: gasoline, kerosene, propane, natural gas, ethanol, methanol or hydrogen. | |
| 4 | Compressed Natural Gas (CNG) is a fossil fuel substitute for gasoline, diesel, or propane fuel. | |
| 5 | Greenhouse gases include carbon dioxide, as well as methane, propane and lesser-known gases that also affect climate change. |