What You’ll Learn

Is propane actually a “greener” choice for my home than natural gas?

Yes, propane is a greener choice because it is more energy-dense than natural gas and, unlike natural gas, it is not a greenhouse gas itself.

It also features lower “upstream” emissions during refining and won’t contaminate the soil or water if a leak occurs, since it simply vaporizes into the air.

This blog was updated April 2026.

59% of adults in the U.S. have seen at least one piece of media that addresses climate change.

Yet, what exactly can we do about it? How do we reduce our carbon footprint or have a greener lifestyle?

Switching to a cleaner energy source is a good place to start.

When comparing propane vs. natural gas, propane makes a strong case for being the more eco-friendly option.

Propane burns cleaner, is non-toxic, and is highly efficient, making it a smart choice for those looking to minimize their environmental impact.

Here are some reasons why using propane helps you go green.

Low Carbon Footprint

Carbon dioxide (CO2) is the predominant greenhouse gas (GHG) and is, unfortunately, a by-product of the combustion of fuel. We use fuel as an energy source for various applications, including residential and commercial heating, and for vehicles.

Except for natural gas, propane emits lower CO2 and other GHGs than gasoline, diesel, or electricity.

Because of its low carbon content, propane produces less CO2 when burned.

We must also consider the full life cycle emissions, known as “upstream emissions,” which are higher for electricity due to generation and transmission losses.

green sign that reads "CO2 carbon footprint", the "O" being the planet earth

Natural gas has higher upstream emissions than propane, largely because its refining process releases methane and other gases.

Propane is a clean-burning fuel that’s approved by U.S. energy administrative bodies and policy-makers.

Propane vs Natural Gas: Which One Is NOT a Greenhouse Gas?

Natural gas produces less CO2 during combustion than propane. However, CO2 isn’t the only greenhouse gas. The primary component of natural gas is methane, which has a more potent greenhouse effect than CO2.

Propane doesn’t act as a GHG and is listed as a clean energy source under the 1990 Clean Air Act. When released into the air, it oxidizes quickly in sunlight or is removed via precipitation, causing no atmospheric harm.

To date, no significant global climate impact of propane has been documented.

What About the Other Air Pollutants?

Fuel emissions cause more than the greenhouse effect. Air pollutants also contribute to acid rain and smog and may cause serious health issues such as asthma, carbon monoxide poisoning, and even cancer.

The EPA regulates five key pollutants from combustion: nitrogen oxides (NOx), carbon monoxide (CO), sulfur oxides (SOx), particulate matter (PM), and volatile organic compounds (VOC).

Propane has significantly lower emissions across all five categories compared to many conventional fuels. Here’s a closer look:

1. Nitrogen Oxides

Propane combustion produces low levels of NOx, most of which is thermal NOx, resulting from atmospheric nitrogen—not from propane itself.

2. Carbon Monoxide

Most carbon in propane becomes CO2, with only trace CO emissions. If carbon monoxide is present, it’s typically due to incomplete combustion caused by:

  • Decreased oxygen availability
  • Excess air causing quenching in industrial boilers
  • Low combustion temperature
  • Poor air-fuel ratio
  • Reduced combustion intensity or gas residence time

3. Sulfur Oxides

Sulfur oxides come from residual sulfur. Fortunately, propane typically contains very low sulfur levels—though this can vary by supplier.

4. Particulate Matter

Propane has much lower particulate emissions than natural gas. Most PM emissions are from soot or flaking boiler scale.

5. Volatile Organic Compounds

VOCs contribute to ozone formation. Most VOCs come from transportation, solvents, or industry—yet propane emits fewer VOCs than diesel or gasoline.

No Crying Over Spilled Propane

Oil and gas spills can damage the environment, but propane is different. It doesn’t pollute soil or water if leaked.

Propane exists as a liquid only under pressure. When released, it turns to vapor and quickly disperses into the air without harming nature or wildlife.

It’s non-toxic to humans and animals. The only danger is the risk of frostbite from contact with the cold liquid, or fire in case of ignition—both manageable with proper handling.

small white propane tank

More Efficient, More Earth-Friendly

Efficient fuels burn less and pollute less. Propane is one of the most energy-dense, efficient fuels available—especially for heating.

It contains 2,516 BTUs per cubic foot, more than double that of natural gas at 1,030 BTUs. That’s a lot more energy from a smaller volume.

Switch to Clean Energy and Claim Your $499 Installation

Compared to natural gas and other fuels, propane is the cleaner, more efficient choice. It’s safe, effective, and environmentally responsible.

By switching to propane, you’ll reduce emissions and energy waste—and likely save money over time. 

We’ll install a high-quality tank—above or below ground—wherever works best for you.

Same-day excavation, installation, and connection means your tank starts fueling your home immediately.

Become a Kauffman Gas customer today and claim your $499 special.

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FAQs

Is propane really better for the environment than natural gas?

Yes. While both are cleaner-burning than oil or coal, propane has lower upstream emissions and does not emit methane, a potent greenhouse gas.

It also burns efficiently and produces fewer air pollutants overall.

What happens if propane leaks into the ground or water?

Unlike gasoline or oil, propane does not contaminate soil or water. It vaporizes quickly when exposed to air and is non-toxic to people, animals, and plants.

The primary risk from a leak is flammability, not environmental damage.

Does propane produce harmful air pollutants?

Propane emits significantly lower amounts of nitrogen oxides (NOx), carbon monoxide (CO), sulfur oxides (SOx), particulate matter (PM), and volatile organic compounds (VOCs) compared to diesel or gasoline.

These lower emission levels contribute to cleaner air and fewer health risks.

Can switching to propane help reduce my carbon footprint?

Yes. Propane’s high energy content and clean-burning properties mean you use less fuel and produce fewer emissions. Its efficiency—especially in home heating—makes it a smart option for lowering your household’s environmental impact.