HOUSTON, Dec. 11 (Xinhua) -- U.S. crude oil refinery inputs averaged 16.7 million barrels per day (b/d) during the week ending Dec. 6, 251,000 b/d less than the previous week's average, according to the weekly report issued by the U.S. Energy Information Administration (EIA) on Wednesday. Refineries operated at 92.4... read full story