SUGAR LAND--August 14, 2013--Researched by Industrial Info Resources (Sugar Land, Texas)--Independent U.S. downstream energy company Northern Tier Energy LP (NYSE:NTI) (Ridgefield, Connecticut), which serves the PADD II region with refining, retail and pipeline operations, reported weaker overall results in second-quarter 2013 as a planned turnaround reduced refinery output and price differentials for crude oil were squeezed. Industrial Info is tracking several Northern Tier projects, including a $10 million FCCU upgrade.