Abstract
Petroleum annually supplies approximately 47% (37 quads) of our energy, and about half of this petroleum is imported.
| Original language | American English |
|---|---|
| Number of pages | 45 |
| State | Published - 1980 |
NREL Publication Number
- NREL/SP-625-662
Research output: NREL › Marketing
| Original language | American English |
|---|---|
| Number of pages | 45 |
| State | Published - 1980 |