Landfills, dairy farms and wastewater plants all emit methane, the potent greenhouse gas produced when organic material decomposes in the absence of oxygen. 

But instead of emitting that methane (often called biomethane or waste methane), it’s possible to capture and refine it, resulting in renewable natural gas, or RNG. Capturing methane that would have been emitted anyway (something that’s still up for debate) creates RNG that’s carbon neutral or carbon negative. And using that RNG to displace fossil-fuel derived natural gas can cut overall emissions.

Big players in energy are betting big on RNG. Last fall BP acquired RNG producer Archaea for $4.1 billion, Shell bought Nature Energy for $2 billion and NextEra purchased $1.1 billion in RNG assets from Energy Power Partners.

So what’s behind this recent flurry of activity? And to what extent could RNG actually offset carbon emissions? 

In this episode, Shayle talks to Brandon Moffatt, cofounder of Stormfisher, an RNG and hydrogen producer.

They cover topics like:

RNG feedstocks like dairy farms, wastewater treatment plants, and landfills

How much waste methane is available for RNG

How different feedstocks determine RNG’s carbon intensity

Government subsidies like the Low Carbon Fuel Standard (LCFS) and Renewable Identification Numbers (RINs)

Recommended Resources: 

Environmental Research Letters: At scale, renewable natural gas systems could be climate intensive: the influence of methane feedstock and leakage rates

Bloomberg: The Gas Industry’s Survival Plan: Make Fuel From Cow Poop

Vox: The false promise of “renewable natural gas”

CBC: Renewable natural gas could help slow climate change, but by how much?

Catalyst is a co-production of Post Script Media and Canary Media.

Catalyst is supported by Antenna Group. For 25 years, Antenna has partnered with leading clean-economy innovators to build their brands and accelerate business growth. If you're a startup, investor, enterprise, or innovation ecosystem that's creating positive change, Antenna is ready to power your impact. Visit to learn more.

Catalyst is supported by EnergyHub. The company’s platform lets consumers turn their smart thermostats, EVs, batteries, water heaters, and other products into virtual power plants that keep the grid stable and enable higher penetration of solar and wind power. And they are hiring! Learn more and see open roles at

Catalyst is brought to you by Sealed: The experts in home weatherization and electrification upgrades. Sealed is leading the way, with over a decade of experience being accountable to homeowners because they only get paid based on actual energy reductions. Visit to learn more.

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