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Diesel Prices Hit Record High of $7.89 in California

By Markets Desk · 2026-09-16 · 1 min read
A large agricultural truck parked in a field of crops.
Illustration: Tradingbird

Diesel costs in Fresno County reached $7.89, a level $1.69 above the national average. This spike adds an estimated $100,000 in extra fuel costs for major local operators during harvest season.

Diesel prices in Fresno County reached $7.89 per gallon. This figure is $1.69 higher than the national average of $6.20. The price increase occurred during peak harvest season for Central Valley crops.

Fuel costs have risen by $2.53 per gallon compared to the same period last year. Gasoline prices increased by $1.17 over the same timeframe. The disparity highlights the specific pressure on diesel-dependent industries.

Farmers face steep operating costs

Greg Markarian, a local cherry and almond farmer, reports significant financial strain. He estimates his diesel expenses for the year are approximately $300,000. The price surge has added between $75,000 and $100,000 to this total.

Markarian operates both agricultural equipment and a trucking business. He has raised his shipping rates by 10% to offset fuel costs. He notes that this adjustment does not fully cover the increased expenses.

Supply chain costs rise across sectors

Diesel powers the movement of fertilizer, crops, and food products. Freight trains also rely on this fuel source. Higher costs impact every stage of the agricultural supply chain.

Markarian purchases diesel by the truckload to mitigate local station prices. He spends close to $50,000 every eight to 10 days. He seeks cheaper blends to protect equipment and reduce outlays.

Geopolitical factors drive price spikes

Current diesel prices are 60% higher than levels seen before late February. This period coincides with the start of the US and Israel conflict in Iran. The geopolitical tension has directly influenced global fuel markets.

GN auto markets/energy data confirms the sharp rise in fuel prices. The impact extends beyond farms to all goods transported by truck. Consumers face higher costs for food and other goods as a result.

Based on reporting by ABC30 Fresno, compiled by the Tradingbird desk.

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