Why diesel prices are rising faster

War in the Middle East has caused oil prices to spike, and — right on cue — gasoline prices have risen quickly. They’re up 34 cents in a week, according to AAA. That's the fastest price increase at the pump since 2022. And diesel prices just topped $4 a gallon this week, which will likely push up the cost of anything shipped by truck or train. Also on the program: a look at what's driving Texas supermarket construction.