The runtime of a generator on a single tank of fuel depends on three variables: fuel tank capacity, engine fuel consumption rate at a given load, and the percent load you’re actually drawing. At 50% load — the standard benchmark — most portable generators run 8–15 hours on a full […]

Propane burns cleaner than diesel — it produces approximately 30–40% less CO, 90% less particulate matter, and virtually no sulfur oxides. However, diesel has nearly 50% higher energy density (138,000 BTU/gal vs. 91,500 BTU/gal), meaning you burn fewer gallons for the same output and your generator runs longer on the

Natural gas is the cheapest fuel to run a generator on a per-kWh basis — approximately $0.10–$0.25/kWh delivered. Propane is next at $0.20–$0.40/kWh. Diesel runs $0.25–$0.45/kWh. Gasoline is the most expensive at $0.30–$0.60/kWh. However, the total cost of ownership depends on generator purchase price, maintenance intervals, engine life at that

Diesel fuel can be stored on-site in a tank independent of any external infrastructure. Natural gas depends on a continuous supply from the utility pipeline — it stops flowing when the grid does. This single difference determines the reliability equation: diesel generators operate autonomously; natural gas generators depend on the

The best fuel for a home generator depends on what matters most to you: convenience, cost, reliability, or environmental impact. There is no universal winner — natural gas wins on convenience, propane wins on shelf life, diesel wins on energy density and reliability, and gasoline wins on availability. Here is