Bay Area drivers started the week off with a nearly 30-cent jump in gas prices, and it’s only expected to get worse, experts say. As of Friday morning, the state average for a gallon of unleaded regular gasoline,

The latest gas hike meant there were over a week of increases at the pumps, while Thursday’s price means gas is more expensive than this time last week.

Arizonans are seeing higher prices at the gas pumps, with prices increasing more than 30 cents in a month. Here's why prices are going up.