This game is the only place where I can find strategy information, so it would be better to talk about it here.
If you don't have any gasoline, check the items section of the menu (M key) and if not, you have already given gasoline to the guy.
There is nothing else to do in this stage except to get the gas.
Also, just to be sure, could you send me a screenshot of the scene where you get stuck?
I don't know if it's okay to post it or not, but it would be more helpful if you have it than if you don't.
Thanks for the picture. From this, it looks like gasoline has already been obtained. You can get gas just by touching it. If you check "Items" or "Key Items" you should find it in one of them.
If not, save anywhere and restart the game. If it is a bug, there may be gasoline in the location shown in the picture.
If not, you probably already gave it to the person who should have.
And one more thing. Can you take a screenshot and tell us what needs to be done now in the story?
You can find it in the menu under "Objective".
Thank you for providing the photos. I also apologize for the late reply.
After getting the gas, Ana suddenly appears and tells me to deliver the gas I got to the guy. I don't remember exactly what happened after that, but I think "Objective" was changed from the one in the picture. But I can't get the gasoline, and the "Objective" is still the same as in the picture. If so, it must be a bug.
However, most bugs in this game can be fixed by restarting the game, so as I mentioned in my previous answer, I would recommend saving the game, quitting, and restarting.
Thank You Very Much For help i was busy so i have a late reply here is the objective and a screenshot