RE:RE:SU Nat GasFrom Q2 report: Suncor has updated its full-year business environment outlook assumptions for Brent Sullom Voe from $63 (U.S.) per bbl to $68 (U.S.) per bbl, WTI (West Texas Intermediate) at Cushing from $60 (U.S.) per bbl to $65 (U.S.) per bbl, WCS (Western Canadian Select) at Hardisty from $48 (U.S.) per bbl to $52 (U.S.) per bbl, New York Harbor 2-1-1 crack from $17 (U.S.) per bbl to $18 (U.S.) per bbl and AECO (Alberta Energy Company)-C Spot from $2.50 per gigajoule to $3.50 per gigajoule, due to improvements in key forward curve pricing for the rest of the year. As a result of these updates, the full-year current income tax expense range has increased from between $1.0-billion and $1.3-billion to between $1.2-billion and $1.5-billion.