Optimized Tug-Barge System Designs by Robert Allan Ltd.
by David R. Connand Robert G. Allan, P.Eng.
Some veteran Mississippi pushboats and barges have been
U.S. energy firms added 5 oil rigs this week after putting 21 rigs into service last week, the most in over a year, despite a collapse in U.S. crude prices from recent highs in June,
West African crude oil exports to Asia were expected to fall to 1.84 million barrels per day (bpd) in August, Reuters data and a survey of traders showed.