The United States Energy Information Administration shows that the price of gas is determined by the price of oil and its associated global supply and demand. Taxes, refinery costs and exchange rates also have effects, n... More » Business & Finance Industries

No one entity determines the price of gas, and it is instead largely determined by the price of crude oil, according to Business Insider. Other factors that influence the price of gas include federal and state taxes, ref... More » Business & Finance Investing

Crude oil costs are the largest factor in retail diesel prices, accounting for 57 percent of diesel's price in 2014, according to the US Energy Information Administration. Other factors for diesel's price include the cos... More » Geography

The price of crude oil is affected by the shifting of the supply and demand of oil globally, explains the U.S. Energy Information Administration. While demand does not fluctuate greatly on a global scale, current geopoli... More » Business & Finance Industries

The price of crude oil is influenced by supply and demand. The price riseS when there is an increase in demand or decrease in supply. As demand decreases and supply increases, price goes down. More » Business & Finance Industries

Many factors influence the market price of gold, including the value of the dollar, demand and supply, actions of mining companies and central banks. If you are an investor in gold, you need to watch on prices carefully ... More » Business & Finance Industries

Crude oil prices change as traders try to predict future crude-oil supply and demand. If demand outstrips supply traders will find buyers willing to pay high prices for their oil, but if supply outstrips demand traders h... More » Business & Finance Industries