As I mentioned yesterday, here is a layout of what we did. As with everything in these builds, it is all about compromise. Could thing be done differently, absolutely. I tried to take a lot of the things discussed in this thread and others into account. I considered a fuel cell from ATL, but I wanted to used the Vaporworx system and couldn't come up with a solution that worked combining the 2. I just really So I tried to package this the best I could with the space available. Most likely we will also have a dedicated fire system in the truck as well as a hand held extinguisher. Anyway here is what we are doing. Happy to hear any comments.