Oil markets dipped on Friday, pulled down by high fuel inventories and improving industry efficiency, but were still on track for a solid weekly gain. Brent crude futures LCOc1, the international benchmark for oil prices, were down 7 cents, or 0.1 percent, at $48.35 per barrel at 0443 GMT (12:43 a.m. ET), but up 3.5 percent for the week. U.S. West Texas Intermediate (WTI) crude futures CLc1 were at $45.97 per barrel, down 11 cents, or 0.2 percent, but up around 4 percent over the week. Crude prices are around levels in late November last year, when a group of oil producers including Russia and Organization of the Petroleum Exporting Countries (OPEC) pledged to withhold around 1.8 million barrels per day (bpd) of output between January this year and March 2018 to tighten the market. “OPEC compliance with production cuts slipped to 98 percent in June, […]