(still cheap — it's more than double that where I am)
$962 billion / 186 billion gallons = $5.17 per gallon ($1.37 per L)
which would double the price, but still pretty cheap
If we were to price in all the externalities of fossil fuels into the retail price it would be a lot more expensive. It's still way too cheap.
I’m aware that the diesel price in the us always has been quite low in contrast to Europe, but still I don’t see the issue.
Same way restaurant employees in Germany have a salary, but 80% of US restaurants would close immediately, if their "associates" would not have to survive on tips...
You can cope paying 50$ month per month in diesel if you drive that much.
But at the scale of logistics companies, often tied to fixed pricing it's a tragedy.