You will see Trump had the lower gas prices than Biden. And as you said Biden’s gas prices are still at an average of $3,14 for this year.

Yes, the prices did go down under Obama.

SNIP By the week of Trump’s inauguration, the average fuel price was around $2.32, according to data from the U.S. Energy Information Administration. The highest price during his administration was $2.96 in May 2018, and its lowest was around $1.77 in April 2020, when much of the country was locked down due to the COVID-19 pandemic. When Trump left office on Jan. 20, 2021, the average price was around $2.39 a gallon.

Prices have indeed surged since the beginning of the Biden administration, with the national average currently at $4.82, according to AAA. While critics have blamed the president, experts have pointed to several other reasons for the spike, including higher demand after the easing of pandemic restrictions and the steep price of oil as many buyers refuse to purchase Russian oil due to its invasion of Ukraine.SNIP

And It's back down again under Biden after the supply line tussle. For $1.98 you need pandemic and restrictions. Good luck with that.