Crude oil prices increased in 2021 as global crude oil demand outpaced supply - U.S. Energy Information Administration (EIA)
![Trend of Petroleum Prices in the International Market (Decressin, 2012) | Download Scientific Diagram Trend of Petroleum Prices in the International Market (Decressin, 2012) | Download Scientific Diagram](https://www.researchgate.net/publication/343812504/figure/fig5/AS:927545855852544@1598155573447/Trend-of-Petroleum-Prices-in-the-International-Market-Decressin-2012.png)
Trend of Petroleum Prices in the International Market (Decressin, 2012) | Download Scientific Diagram
Natural gas markets remain regionalized compared with oil markets - U.S. Energy Information Administration (EIA)
![Crude oil prices increased in 2016, still below 2015 averages - U.S. Energy Information Administration (EIA) Crude oil prices increased in 2016, still below 2015 averages - U.S. Energy Information Administration (EIA)](https://www.eia.gov/todayinenergy/images/2017.01.04/main.png)