Is it safe to store a working refrigerator in the garage where you also keep a riding lawn mower which sometimes holds up to 3 gal of gasoline?
First off, a standard refridgerator is not designed to work in the extreme fluctuations of temperature in the garage. We know it's common practice to keep a spare fridge or freezer in the garage. But it's very inefficient and stressful on the compressor. It's much better to use one specifically designed for the garage - like the Chillerator… from Gladiator by Whirlpool. I don't see any issue with the lawnmower in the same space.