Donald Trump vows the price of gasoline will drop under $2 a gallon if he’s president. But there’s no way he can simply make that happen, say the experts. “There’s a zero percent chance a president can fulfill that promise,” said Patrick De Haan, head of petroleum analysis at GasBuddy, which tracks prices.

Gas prices are on the rise throughout the country as the national average cost for a gallon of regular gas rose to $3.22 on Thursday, according to AAA. This was a slight increase from Wednesday’s price of $3.213 per gallon.

It was unclear whether the recent increase was a spike or would prices would continue to climb. Metro Detroit’s average was $3.38 per gallon, 10 cents more than a week ago. Star

Average gasoline prices in Iowa have risen 3.8 cents per gallon in the last week, averaging $3.02/g Monday, according to GasBuddy's survey of 2,036 stations in

Gas prices in Michigan are up 12 cents from a week ago. Michigan drivers are now paying an average of $3.38 per gallon for regular unleaded and paying an average of $50 for a full, 50-gallon tank of gasoline.