An issue at a BP refinery in Indiana and an uptick in road travel strained supplies, though retail prices are holding relatively stable overall, AAA said. The motor club reports a national average retail price for a gallon of regular unleaded gasoline at $2.12, relatively unchanged from one week ago. For most of the summer, gasoline supplies have kept pace with consumer demand, though federal data last week show the steepest decline in those supplies since April as drivers take advantage of lower fuel prices. In its weekly retail market report , AAA said market factors were somewhat offsetting supply issues and keeping the price at the pump in check since last week. “With gasoline […]