| Answer | Crossword Clue |
|---|---|
| STAMP | A source of U. S. revenue. |
| ASIA | Source of a big percentage of U.S. auto imports |
| candelilla | shrub, Euphorbia antisyphilitica, of the southwestern U.S. and Mexico, that is the source of a wax (candelilla wax) having various commercial uses |
| jojoba | shrub, Simmondsia chinensis (or S. californica), of the southwestern U.S. and Mexico, bearing seeds that are the source of an oil (jojoba oil) used in cosmetics and as a lubricant |
| EUR | Source of about 20% of U.S. imports: Abbr. |
| HAVANA | Source of smokes that are illegal in the U.S. |
| COAL | U.S.'s most abundant energy source |
