Renewable Natural Gas (RNG)
Renewable Natural Gas
Renewable Natural Gas (RNG), or biomethane, is a naturally occurring gas released by decomposing organic matter. When left uncaptured and released into the environment, methane’s global warming potential is more than 20 times that of carbon dioxide (CO2). However, capturing RNG generated by anaerobic digestion or other means and using it as an alternative transportation fuel efficiently eliminates these harmful emissions. Making RNG available to the transportation industry will enable the United States to achieve a near-zero carbon footprint in the transportation supply chain.
RNG’s negative carbon footprint, long supply curve, positive air and water quality helps CNG users, farms and municipalities capture energy from waste in the most environmentally and economically responsible manner available.
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The Economics of CNG/RNG as Fuel
CNG and RNG are currently the most cost-effective alternative fuels for medium and heavy-duty vehicles.
RNG By The Numbers
Renewable Natural Gas is a viable energy source produced right here in the United States, which creates jobs, lowers Greenhouse Gas emissions at both the source and tailpipe and drives our economy forward.
A recent study in California found "dedicated investments in deploying Low NOx trucks powered by RNG could create up to 134,000 jobs and provide up to $14 billion of added economic value by 2030."
Source: The Coalition for Renewable Natural Gas
RNG is the most environmentally beneficial renewable fuel source:
- In terms of Carbon Emissons, RNG has all other alternative fuel sources beat, including electric vehicles (See Carbon Intensity Graph).
- Every heavy-duty CNG truck refueling with RNG eliminates approximately one metric ton of CO2 emissions.
- Capturing would-be fugitive methane for fuel at a dairy farm or landfill further reduces GHGs escaping into the atmosphere.
Near-Zero RNG – The Reliable Alternative Fuel
- Affordable Low-Carbon Fuel
- Creates American Jobs
- Abundant Domestic Supply
- Liquid Natural Gas (LNG)
- Electric Vehicles (EV)
- Hydrogen/Hydrogen Electric Vehicles
- Hydrotreating Process for Diesel/Gasoline
Additional Uses for RNG in Transportation
2017 RNG volume displaced into the CNG/LNG market is on pace for 200mm gallons (29% market penetration). 2018 volume is projected to be 360mm gallons.
RNG is responsible for 99% of all D3 RIN production despite RNG only being considered a cellulosic fuel since July 2014.
Currently 49 of the 450 existing RNG plants are producing RNG for CNG/LNG applications with another 60 in development.