| Value | Category | 
|---|---|
| 0 | NIU (not in universe) | 
| 1 | No fuel used | 
| 2 | Utility gas from underground pipes serving neighborhood | 
| 3 | Bottled, tank, or liquefied petroleum gas | 
| 4 | Electricity | 
| 5 | Fuel oil, kerosene, and other liquid fuels | 
| 6 | Coal or coke | 
| 7 | Wood | 
| 8 | Other | 
| var_concept.title | Vocabulary | 
|---|---|
| Utilities Variables -- HOUSEHOLD | IPUMS |