Chevron, Valero in talks to reactivate supply agreement on Venezuelan oil to US, sources sayChevron,

Chevron, Valero in talks to reactivate supply agreement on Venezuelan oil to US, sources say

HOUSTON, Aug 5 (Reuters) - Chevron (CVX.N), opens new tab and Valero Energy (VLO.N), opens new tab are working to resume supplies of Venezuelan crude to Valero's U.S. refineries under an agreement that was on...