Why are gas prices going up right now? [Video]

(NewsNation/Nexstar) — Gas prices increased during the last week of February, and a AAA report suggests they’ll keep rising as drivers hit the road for spring break.

On Friday, the national average cost for a gallon of gas increased to $3.31 per gallon — up 21 cents compared to a month ago. It is, however, four cents less than a year ago, when the average was $3.35, AAA reports.

As of Tuesday evening, the national average was $3.36 per gallon — up nine cents from one week ago, and 22 cents one month ago.

“We’re entering Spring Break season, and historically, March and April bring higher gas prices as demand rises,” said Aixa Diaz, a AAA spokesperson. “With milder temperatures come more road trips, and this time of year tends to be a precursor to the summer driving season.”

Gas prices have increased seasonally by about 50 cents from a low …