Prime purpose of this article is to Discuss on Reasons behind Fluctuations in Gas Prices. Here explain Fluctuations in Gas Prices in USA market perspective. There are some factors that affect Gas Prices world wide. They include international crude oil prices, the expense of processing the elementary oil, the costs involving distributing the oil, the actual exchange rates for foreign currencies, taxes imposed on this oil by state as well as federal governments, demand and supply in the market as well as factors such as local or regional option of crude oil sources. Sometimes other factors can come into play and affect the costs of gas, making the cost go either much higher or much lower.