Every time you pull up to a California gas pump, over a dollar of what you pay has nothing to do with the actual cost of gasoline.

It goes straight to the government. Here's exactly how much, and where it ends up.

The breakdown per gallon

California drivers pay the highest combined gas taxes in the country. As of July 2025, here's what's baked into every gallon:

Total government-related charges: over $1.30 per gallon. The national average state gas tax is 33.3 cents per gallon. California's is 61.2 cents — nearly double.

Where does the money actually go?

The state excise tax — the biggest chunk — is constitutionally locked for transportation. Since voters passed Proposition 69 in 2018, that money can only go to road repair, highway maintenance, and public transit. The gas tax brings in roughly $6.5 billion a year for that purpose.

The cap-and-trade and Low Carbon Fuel Standard charges are different. Those go into the Greenhouse Gas Reduction Fund, which the Legislature allocates to climate programs — high-speed rail, affordable housing near transit, and forest health projects.

So you're paying two separate things at the pump: a road tax and a climate tax. Most people don't realize there's a difference.

The problem nobody wants to say out loud

California's gas tax has more than doubled in the last ten years. The roads haven't gotten twice as good.

The state excise tax alone has gone from 27 cents per gallon in 2015 to 61.2 cents today. Meanwhile, California's infrastructure still ranks among the worst in the nation for road quality. Where is the disconnect? Part of it is that California roads simply cost more to build and maintain — labor costs, regulations, and geography all play a role. But part of it is that the money isn't being spent as efficiently as it should be.

The refinery problem nobody talks about

Here's something that doesn't get enough attention: California has gone from 43 refineries in the 1980s to just 7 today. The state is essentially a fuel island — no major pipelines connect it to the rest of the country's refining centers.

That means when one refinery goes offline for maintenance, gas prices spike immediately. Less competition, higher prices, and you're the one paying for it. The taxes are one part of why California gas is expensive. The supply chain is the other — and it's getting worse, not better.

What this means for you

If you fill a 14-gallon tank once a week, you're paying roughly $18 in government charges every single fill-up. That's over $900 a year — just in taxes and fees — before you pay for a single drop of actual fuel.

Whether that's worth it depends on whether the roads are actually getting fixed — and whether the climate programs are delivering results proportional to what you're paying. Those are questions Sacramento hasn't answered clearly. We'll keep asking.

Next week: California spends more per student than almost any other state. So why do the test scores look like this?

Stay subscribed.

— Prabhnoor

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