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I got near the end I think, but now I'm stuck. How do I neutralize the tanks?
I made a screenshot since that's probably easier than trying to explain where I am.
tanks.jpg (280 Kb)
You're screenshot isn't very clear.

It looks like the final level where you can peek outside and see a tank.
You have to do some running there.

I had to use a walkthrough a few times during the game in order to move on:
I neutralized the tanks but now I can't get past some kind of gas leak. Did I miss something from before? I can't find the place where I need to turn off the gas pipes.