| 31. | For refiners, it required a big capital investment in new equipment.
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| 32. | Refiners have refrained from building any new plants since 1977.
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| 33. | Refiners were forced to dump their gasoline on the market.
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| 34. | That caused refiners to seek higher prices for products such as gasoline.
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| 35. | As a result, refiners could begin storing more crude.
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| 36. | Domestic refiners have another incentive for keeping prices from soaring.
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| 37. | Oil refiner Tonen Corp . rose 40 yen to 1, 500.
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| 38. | Oil refiner Tonen Corp . rose 20 yen to 1, 480.
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| 39. | That makes it even more expensive for refiners to keep big inventories.
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| 40. | And refiners have also kept down inventories to cut costs.
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