When gas prices rise, not everyone feels the pain equally. For low-income and rural Pennsylvanians, a trip to the gas station can mean choosing between a full tank and groceries. Many factors, such as crude oil costs, distribution and marketing, and to some extent Pennsylvania gas taxes all add up to keep Pennsylvania’s gas prices higher than average.

Pittsburgh gas prices are among the highest in Pennsylvania due to higher urban demand, refinery maintenance issues in the Midwest and supply shortages.

Currently, the average gas price in the U.S. is $4.50. In Pennsylvania, the average is $4.66, and in Pittsburgh it’s $4.91.

To understand why, and what – if anything – can be done about high gas prices, The Conversation U.S. spoke with Hannah Wiseman, an energy and environmental law scholar whose work focuses on how regulation is designed. She explains who gets hit hardest by high gas prices and why relief is so hard to come by.

How do rising gas prices hit low-income Pennsylvanians differently than middle- or upper-income residents?

Low-income people typically have a limited monthly budget, with fewer or no savings to draw from. Each essential expense is a........

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