Gas price hike, again

Would somebody explain the ideology of lowering gas prices just before a big traveling holiday and then jack them up after the holiday. Since my childhood it has been the other way around. Today I did laundery at my sister's house and saw on the way home it jumped up 20 cents. I drove a mile out of my way to find a gas station still at yesterday's price of $1.99. We have never had $2.19 gas price before. The past record was $2.15 before lowering slowly way down to $1.88. Even at that price, we still shock people from the coasts whose prices are much higher. Post later. Bye!