Hawaii drivers have spent months watching gas prices climb as tensions in the Middle East disrupted global oil markets.

Now there may be some relief ahead.

Oil prices have fallen sharply this week after reports that the U.S. and Iran reached a preliminary agreement that could lead to the reopening of the Strait of Hormuz, one of the world's most important oil shipping routes. Brent crude, the global benchmark for oil prices, has dropped below $80 a barrel after trading near $95 just days earlier. yet.