but a dual-fuel generator—which can run on gas or propane—provides a more flexible alternative. With two ways to power your generator, you have more options when fuel is in short supply (in ...

While many stand-by systems are powered by propane, most portable generators are powered by gasoline, which is the most commonly available fuel. However, when using generators for emergency power ...

On average, these big models run from 140 to 200 hours on a propane tank, which is a shorter duration than their smaller counterparts. The best small whole-house generators in our ratings put ...