While most of the price fluctuations at the gas pump are tied to the price of crude oil, other factors, including supply and demand changes, commodity speculation, regulatory changes and weather, also play a role. Howeve... More »

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Crude oil prices have a direct effect on gasoline prices at the pump. Other factors that cause prices to vary between different retailers are volume purchased, delivery method, the retailer's contract terms with their su... More »

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The Royal Dutch Shell Oil Company's gas prices are based on supply and demand, which are influenced by factors such as natural disasters, economic conditions, operational issues and oil-producing countries, notes a 2014 ... More »

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Gas prices in the United States are influenced by a variety of factors, including the market price of crude oil, federal and state gas tax rates, financial market speculation and extreme weather; factors other than crude... More »

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Propane prices fluctuate as a result of factors such as natural gas and crude oil prices, weather fluctuations, the distance away from supply and a balance between supply and demand, according to Thrifty Propane. Some of... More »

Gasoline retailers set the gas price at the pump; however, many of the factors are beyond their control, such as the market price of crude oil, distribution interruptions, the work of speculators, the value of the dollar... More »

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Gas price averages in the United States parallel the fluctuations in domestic and international crude oil prices, as the American Petroleum Institute states. Crude oil prices are affected by factors such as supply and de... More »

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