| Refrigerant gas | 15 |
| Natural gas constituent | 23 |
| Gaseous hydrocarbon | 19 |
| Petroleum byproduct | 19 |
| Flammable fuel | 14 |
| Crude component | 15 |
| Colorless, odorless gas used as fuel | 36 |
| Colorless fuel gas | 18 |
| C2H6 | 4 |
| Simple hydrocarbon | 18 |
| Hydrocarbon fuel | 16 |
| Gas in crude petroleum | 22 |
| Cryogenic refrigerant | 21 |
| Constituent of natural gas | 26 |
| A fuel gas | 10 |
| A flammable gas | 15 |
| Second-simplest hydrocarbon | 27 |
| Refrigerant or fuel | 19 |
| Refrigerant ingredient | 22 |
| Refinery by-product | 19 |
| Petroleum component | 19 |
| Odorless hydrocarbon | 20 |
| Odorless fuel gas | 17 |
| Natural gas ingredient | 22 |
| Natrual gas component | 21 |
| Kin of propane | 14 |
| Hydrocarbon with two carbons | 28 |
| Gas with or without an "m" | 36 |
| Gas used as fuel | 16 |
| Gas in fuel mixtures | 20 |
| Gas fuel | 8 |
| Fuel choice | 11 |
| Crude petroleum component | 25 |
| Colorless, odorless alkane | 26 |
| Byproduct of petroleum refining | 31 |
| By-product of oil refining | 26 |
| Gasoline additive | 17 |
| Gas additive | 12 |
| Grain alcohol | 13 |
| Gas alternative | 15 |
| Fuel additive | 13 |
| Hand sanitizer ingredient | 25 |
| C2H5OH | 6 |
| Biofuel option | 14 |
| What the first Model T's could run on | 41 |
| Still product | 13 |
| Gasohol ingredient | 18 |
| Alcohol | 7 |
| Unsustainable but trendy fuel source | 36 |
| Type of biofuel | 15 |
| Tractor powerer, maybe | 22 |
| Thermometer filler, at times | 28 |
| The Model T was designed to run on it | 37 |
| The kick in kirsch | 18 |
| The "spirit" in intoxicating liquors | 46 |
| Sugar-cane based Brazilian biofuel | 34 |
| Still liquid | 12 |
| Rubbing alcohol | 15 |
| Renewable fuel | 14 |
| Product of yeast fermentation | 29 |
| Model T fuel | 12 |
| It gives punch to punch | 23 |
| It gives kirsch its kick | 24 |
| Gasoline component | 18 |
| Gasoline alternative | 20 |
| Fuel that yields a net energy loss | 34 |
| Fermentation product | 20 |
| Environmental summit topic | 26 |
| Controversial fuel | 18 |
| Colorless, flammable liquid | 27 |
| Booze component | 15 |
| Allen and Frome | 15 |
| Allen and others | 16 |
| Allen and Coen | 14 |
| Actors Hawke and Suplee | 23 |
| Hawke and Allen | 15 |
| Frome and others | 16 |
| Frome and Allen | 15 |
| Filmmaker Coen et al. | 21 |
| Allen et al. | 12 |
| Alien and Frome | 15 |
| Actors Suplee and Hawke | 23 |
| A Kennedy | 9 |
| Lucy's landlady | 19 |
| One of the Kennedys | 19 |
| Lucy's pal | 14 |
| Kennedy | 7 |
| Waters or Merman | 16 |
| Waters | 6 |
| Merman | 6 |
| Singer Merman | 13 |
| Mrs. Mertz | 10 |
| Merman or Waters | 16 |
| Lucy's TV friend | 20 |
| Lucy's best friend | 22 |
| Waters of jazz | 14 |
| Ricky's landlady | 20 |
| Musical Waters | 14 |
| Mrs. Kennedy | 12 |
| Merman of Broadway | 18 |