| 1 | Four quarts constitute a gallon. | |
| 2 | It's the formula for converting gallons into liters. | |
| 3 | They could run 2,000 gallons of engine oil a day. | |
| 4 | The subsidy of 45 cents per gallon remains. | |
| 5 | The oil was discharging from the tanker at the rate of thousands of gallons an hour. |
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