Collide

In the summer of 2011, expanding natural gas pipeline export capacity could collide with rising production from the Rocky Mountains, according to a study by Societe Generale energy analysts.

After a strong opening yesterday, gas futures were hit with awave of selling, pressuring the market down to a $2.19 midday low.From there the February contract limped mostly sideways until alate, short-covering rally trimmed losses into the close. Theprompt month finished at $2.244, down 1.6 cents for the day.