Price of unleaded in my town: $4.15
Price of diesel in my town: $4.09

How the heck dies this happen when most of the time diesel is way more?

Diesel is different than normal gas.

Diesel is cheaper than unleaded in my coutry. It always been like that, I dont know why exactly.

I know that, but regular gas is usually much cheaper than diesel and now regular gas costs more.

That's what happens when unleaded gas prices go up.

Goverment.
That is all.
sans the twenty charicters for the limit.

I could've sworn diesel was usually cheaper, since it requires much less refining than gasoline.

Because diesel has less oil in it.

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"Some days you're the pigeon, and some days you're the statue."

I have only seen 2 instances where diesel was less expensive. Now, and when the prices were falling from nearly $5 to like $1.60

Usually Diesel is a lot more expensive. Like I could probably look throuhg and find times when Diesel was $1 more.

It's because Diesel is less refined than unleaded and up. The more refined it is, the more $$$ it will cost you.
Diesel = Low Octane
Premium = High Octane
Cars with higher compression ratios in the firing chambers require higher octane. Octane is the measure of resistance to burning.

Did I help you with my vast knowledge of automotive studies?