Several factors are driving up the costs analysts say.

A combination of high Crude Oil prices, refinery shutdowns, and early speculation has sent gas prices soaring to seasonal highs earlier than usual this year, with no signs of prices at the pump falling until Spring, according to recent estimates.

http://www.livetradingnews.com/us-gasoline-prices-tap-a-historic-high-104744.htm

http://abarrelfull.wikidot.com/blog:why-are-refineries-closing-down

http://abarrelfull.wikidot.com/refineries-that-are-closed-down