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Reducing Greenhouse Gas & Methane Emissions

Methane emissions — which have a global warming potential up to 80% greater than carbon dioxide over the long-term — make up about 10% of human-caused greenhouse gas emissions in the U.S. Production of Renewable Natural Gas captures methane naturally occurring from decomposing organic matter that would otherwise emitted or flared into the atmosphere.

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Improving Air Quality

RNG has the lowest carbon emissions of all transportation fuels, according to the California Air Resources Board — a calculation that already takes into account any foreseeable leakage in RNG transmission and delivery. RNG from made agriculture waste has a carbon intensity score more than 300% cleaner than the baseline calculation (diesel fuel).

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Reducing Particulate Matter from Transportation

Fueling vehicles with RNG reduces carbon dioxide emissions by 80% or more. UC Riverside found that the latest ultra-lox NOx natural gas engines in heavy-duty vehicles cut smog-forming emissions by more than 90% below U.S. EPA standards. Using our potential RNG resources could annually replace 7 billion gallons of diesel used in transportation.

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Cleaner Buildings

RNG is the most efficient approach to decarbonize buildings according to a study by Navigant Consulting. For example, if the nation’s largest gas utility replaced less than 20% of its traditional natural gas supply with renewable gas, it would achieve the same greenhouse gas reductions as converting all homes and commercial buildings in the state to all-electric appliances.