Trash becomes torque
By Cummins Inc., Power Leader
November 05, 2025
Key Points
- How RNG’s carbon intensity can go below zero
- Why dairy farms are key players in clean fuel
- What drivers are saying about switching to RNG engines
What if the stuff we throw away could keep trucks moving?
In this episode of Power Onward, Kim sits down with Dave to talk about renewable natural gas, aka RNG, and how it turns things like landfill trash, cow manure, and food waste into clean, usable fuel. They break down what RNG actually is, how it’s made, and why more fleets are already using it.
They also explore what makes the Cummins X15N engine a game changer, how RNG stacks up against diesel, and how cow waste fits into a surprisingly full-circle clean energy story.
Watch
Additional Resources
- Natural gas readiness
- X15N Engine | Cummins Inc.
- How to transition your fleet to natural gas engines
- Reducing your company’s Scope 3 Emissions with RNG
- The legacy of a “King” ft. David J. King
- RNG Coalition Infographic
- BioTown Ag
- The Transport Project
- Clean Energy Fuels
- RNG Office of Energy Efficiency and Renewable Energy
Timestamps
(00:00) This is Power Onward (00:33) What RNG is and how it’s made (02:11) From waste to pipeline-ready fuel (03:37) Where RNG fits into commercial fleets (04:15) How RNG helps fleets cut emissions and costs
(05:15) Why RNG can be carbon-negative (06:48) California’s RNG adoption and what it shows (08:34) A full-circle dairy farm story (12:02) The X15N engine’s first year in action (17:49) What drivers say about RNG behind the wheel
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For the full transcript of the episode, see below.
Show ID (00:04):
This is Power Onward, the podcast that unveils how power technology shapes your everyday life. You are listening to Power Onward.
More episodes at cummins.com/podcast
Cummins Inc., Global Power Leader
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