| Answer | Crossword Clue |
|---|---|
| ETHANE | Gas in fuel mixtures |
| ETHANE | Gas in fuel |
| ethane | a colorless odorless gaseous alkane C2H6 found in natural gas and used as a fuel |
| propane | a heavy flammable gaseous alkane C3H8 found in crude petroleum and natural gas and used especially as fuel and in chemical synthesis |
| regulator | a. governor mechanism for regulating the flow of fuel, steam, etc., to an engine in order to maintain constant speed under varying load or resistance b. valve for regulating the pressure of flowing gas or liquid to maintain a predetermined p |
| GASES | Mixtures used for fuel. |
