By Shariq Khan NEW YORK, April 7 (Reuters) - Chicago has become the most expensive U.S. jet fuel market, with prices topping $5 per gallon, as the disruptions caused by the Iran war have combined with previously scheduled refinery maintenance to leave regional supply tight.

We’ve seen $100 oil prices in the past, but not within the time horizon we’re seeing here so quickly,” Delta CEO Ed Bastian said.

Jet fuel prices have spiked and supplies have dwindled as the US and Israeli war on Iran drags on, forcing some airlines to cancel flights.

Gov. Gavin Newsom is advancing a plan that could funnel hundreds of millions in road dollars to a struggling oil refinery — pitching it as a cleaner jet fuel initiative. The credit, drawn from funds voters designated for highways and local streets, could also raise gas prices for most drivers.

Gov. Gavin Newsom is advancing a plan that could funnel hundreds of millions in road dollars to a struggling oil refinery — pitching it as a cleaner jet fuel initiative.

Summer airfare is trending higher as the airline industry contends with skyrocketing jet fuel prices. Here are some of the best ways to find good flight deals this summer.

IATA says the Middle East conflict and resulting disruption to crude and jet fuel supply could force governments to reassess energy security strategies, while accelerating investment in alternative energy as a pathway to resilience rather than solely decarbonization.