Fuel costs have increased significantly due to the Iran War. A large fleet of buses is affected, with monthly diesel fuel consumption totaling around 300,000 gallons. These buses are hybrid vehicles, and their fuel usage is substantial.

The impact of the war on fuel prices has resulted in a notable increase in expenses. The exact details of the cost increase are available, showing a substantial percentage rise.

Further information on the situation can be found through the source, which provides more context on the effects of the war on fuel costs and the buses in question.