By alang.consultant New York (Knewz) — Gas prices continue to increase in the U.S., rising an average of 8 cents in the past week, according to AAA. The national average for a gallon of unleaded gas now sits at $3.61, according to the association. That is up eight centers from last week, 25 cents from last month and 89 cents from last year. The increase comes as Russia continues its invasion of Ukraine and there are concerns about the oil supply, as Russia is a producer. That led to crude oil prices going over $100 a barrel before returning to the mid-$90s. There are uncertainties about how th…