How to make extended fuel tank for generator at home

Figuring out how to make extended fuel tank for generator setups is basically a rite of passage for anyone tired of waking up at 3 AM to top off the gas. Most portable generators, especially the little inverter ones we love for their quiet engines, come with tiny gas tanks. They're great for a few hours, but if you're trying to keep the fridge running during a multi-day power outage or keeping an RV cool in the middle of nowhere, those four-hour run times are a massive headache. ...

May 2, 2026 · 6 min · Lawler Lindner