Gas prices are on the rise again, approaching $4 a gallon as instability in the Strait of Hormuz heightens due to escalating conflicts between the US and Iran. Diesel prices have also topped $5, marking a significant increase since the onset of the Iran war. Regions like Florida and Pennsylvania are reporting notable spikes, while experts warn that drivers across various states, including California and Georgia, could soon see prices climbing further. With national averages nearing critical thresholds, many fear the impact on consumer costs as the road trip season approaches.