Kauai Sun

The average cost for a gallon of diesel gas in or near zip code 96766 for the week of December 30 - January 5 is $4.29, according to GasBuddy.com. The lowest price is $4.29.

In greater Hawaii, the average price is $3.61 and the lowest price is $3.09. Trends show the price as down.

The average price of unleaded gas in the state is $3.769 per gallon. The previous week, the state average was $3.763 per gallon. The average has increased since last month, when it was $3.766 per gallon – a 0.3 cent difference.

Data is accurate as of press time, but gas prices have been known to fluctuate on a daily, and even hourly, basis.