Americans are paying more at the pump these days, and energy analysts say we should expect to keep digging deeper into our pockets through spring. Gas prices, which have already risen to a nearly three-year high, are forecast to go up even further.

One report even says that if per-gallon prices rise by $1.05, it would wipe out gains from last year’s tax cuts for most consumers, according to Deutsche Bank.

President Donald Trump denounced the "artificially very high" price of oil on Friday in an early morning tweet, claiming that the Organization of the Petroleum Exporting Countries was "at it again" and that such behavior "will not be accepted."

The Energy Information Administration had originally forecast that drivers in the United States would pay an average of $2.74 per gallon this summer for regular gasoline — but we’re already there. According to AAA spokeswoman Jeanette Casselano, gas prices nationwide on Thursday averaged $2.74 — an increase of three cents in just three days.

Two primary crude-oil benchmark prices both hovered around $70 a barrel on Thursday, highs last seen in late 2014.

Looks like OPEC is at it again. With record amounts of Oil all over the place, including the fully loaded ships at sea, Oil prices are artificially Very High! No good and will not be accepted! — Donald J. Trump (@realDonaldTrump) April 20, 2018

Favorable economic conditions around the world are driving demand, as are Saudi Arabia-led production cuts, scheduled to go through the end of the year, with which members of the Organization of the Petroleum Exporting Countries and Russia — which is not an OPEC member — are complying.

Let our news meet your inbox. The news and stories that matters, delivered weekday mornings. This site is protected by recaptcha

“The Saudis and the Russians are both quite interested in seeing a higher price of oil,” said Gary Hufbauer, a nonresident senior fellow at the Peterson Institute for International Economics. “They agreed to cut back on their production, and other countries are just not able to ramp up enough to fill the gap.”

An OPEC committee meeting Friday is expected to evaluate the impact of the cuts so far, with some reportedly in favor of an $80 price target. Analysts say this could translate to a nationwide average high of roughly $2.80 to $2.90 a gallon for regular gasoline. A handful of states have already hit $3, and more are likely to hit that mark.

Demand is forecasted to rise in the coming months, compounding the crunch. “In the United States, we’ve never seen a week where demand for gasoline has averaged over 10 million barrels a day,” Kloza said, but he estimated that we’ll likely hit that milestone by summertime.

“The thing that’s very unusual is that all of the world economies are all doing splendidly at the moment,” Kloza said. “We could see demand outpace supply in the third quarter by about a million barrels a day.”

This kind of mismatch between supply and demand can cause problems. “It’s the next 150 days, and particularly that period in August and September, that is most concerning,” Kloza said, because low surplus supply could make the market extra sensitive to factors like hurricanes that can disrupt production.