According to AAA, the national average for a gallon of regular gasoline is now $4.02 — over a dollar more expensive than it was before the war began on Feb. 28. That’s the largest monthly jump the motor club has seen on record.

The national average gas price was $3.48 a gallon on Monday, up from $2.90 a month ago, before the war, according to tracking by AAA.

Oil production was once a major industry in Illinois, but it has steadily declined since the 1950s. Most active wells in Illinois are “stripper” wells that produce less than 1.5 barrels per day.

Gas shortages at the pumps have spread from the South, all but emptying stations in Washington, D.C., following a ransomware cyberattack that forced a shutdown of the nation’s largest gasoline pipeline. Though the pipeline operator paid a ransom, restoring service was taking time.

What's behind the plunging price of gas and how low can it go? An oil industry analyst gives us some insights.

We share what you had to say about a new retirement law and the proposal to require Chicago gas stations to sell E15 gasoline in tonight's viewer feedback.

Chicago may soon require many gas stations to sell gas with a higher blend of ethanol.

Gas prices are soaring and so is outrage at the pump. What's the problem and are there any solutions? Carol Marin and her panel break it down.