For gas generators: Use ethanol-free gas treated with fuel stabilizer, and keep the tank full when not in use. Also, keep a ...

Propane. For a portable generator, you’d need four to eight 20-lb. propane tanks on hand to run the generator for 24 hours—a lot of grill tanks. Larger cylinders are available.

See products from Briggs & Stratton, Dragon Products, 2G Energy, Axiom Energy Group, Qnergy, Enginuity Power Systems, ...

Propane. For a portable generator, you'd need four to eight 20-lb. propane tanks on hand to run the generator for 24 hours—a lot of grill tanks. Larger cylinders are available.

Consumer Reports gives four steps to safely getting a portable generator running quickly.

With power outages widespread during this bout of severe winter weather, knowing how to operate a generator safely is paramount.

Here are a few mistakes to avoid when running a generator. Not reading the manual Technically, this is a mistake to avoid before you’re in a position of having to run your generator.