U.S. oil refiner Valero, rivals pursue Chevron for Venezuelan crude
U.S. oil refiners that once were regular buyers of Venezuelan crude are jockeying to win access to coming cargoes chartered by Chevron Corp under a newly issued U.S. license, two people familiar with the matter said.
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### Instruction: U.S. oil refiner Valero, rivals pursue Chevron for Venezuelan crude

### Response: U.S. oil refiners that once were regular buyers of Venezuelan crude are jockeying to win access to coming cargoes chartered by Chevron Corp under a newly issued U.S. license, two people familiar with the matter said.