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August 15, 2022 12:00 PM, EDT

RNG Is Decarbonizing Trucking Today

Trucking companies, and the shippers that hire trucking companies, are making bold commitments to cut their carbon footprint—such as becoming net zero by 2030. Yet achieving net zero or better requires more than operational improvements. Alternative technologies are needed to move beyond even the cleanest diesel platform. Renewable natural gas (RNG) has emerged as the leading pathway for low carbon, clean air trucking. There are three compelling reasons why RNG is helping sustainable companies decarbonize their transportation today.

RNG Is the Lowest Carbon Transportation Fuel Available

RNG is derived from organic material found in green waste, food waste, landfills, sewage treatment, and livestock manure. These organic wastes naturally decompose into methane. Methane that leaked into the atmosphere is a potent short-lived climate pollutant and greenhouse gas. Rather than releasing into the atmosphere, methane can be captured and converted into a drop-in replacement fuel for conventional natural gas.

When used for vehicle fueling, RNG reduces carbon by capturing methane that would escape into the atmosphere; and by replacing high-carbon diesel fuel. The chart below shows the carbon intensity of traditional fossil fuels and low-carbon alternative fuels. RNG produced from dairy manure has carbon emissions that are up to 300% cleaner than diesel fuel, and has the potential to be negative carbon-intensive. Replacing just 25% of a fleet’s diesel trucks with negative carbon-intensive RNG from dairy manure can reduce a fleet’s carbon emissions by 100%.

CARB CI Chart

RNG Trucks Improve the Air We Breathe

Many areas of the U.S. have harmful air, and diesel trucks play an oversized role in local air pollution. The greater Southern California area, California’s Central Valley, Houston, Dallas, Salt Lake City, and other metro areas share this air pollution problem. Air pollution contributes to respiratory, cardio, and other illnesses. Studies have linked local air pollution to susceptibility to COVID-19, Alzheimer’s disease, and cancer. Diesel trucks emit high amounts of local air pollutants such as oxides of nitrogen (NOx) and diesel particulate matter. Diesel particulate matter is classified as a toxic air contaminant and is composed of carcinogenic compounds. Trucks powered by RNG have 90% lower NOx emissions than a new diesel truck and over 98% lower NOx emissions than many of the diesel trucks in use today. RNG-powered trucks have zero emissions when it comes to carcinogenic diesel particulate matter.

RNG Trucks Save Money

RNG fuel costs less than diesel fuel. Fuel savings are particularly amplified today with skyrocketing diesel prices. RNG prices are also less volatile than petroleum fuel.

RNG trucks have great economics compared to other emerging clean technologies. The cost of these emerging technologies is 200% to 300% more expensive than RNG trucks. These emerging technologies have far more expensive charging or fueling infrastructure costs than RNG fueling. An RNG truck at one-half to one-third the cost of other technologies has better carbon reduction and equivalent air quality benefits.

Leaders Are Taking Action Today 

Climate pollution and air pollution are problems that exist today, not far in the future. While it is noteworthy for companies to make aspirational goals to achieve net zero carbon emissions in the future, RNG trucks offer the ability to achieve net zero immediately. RNG truck technology has been proven and perfected over the past 14 years. RNG engines are mass produced by Cummins, and RNG trucks are mass produced by Freightliner, Peterbilt, Kenworth, Volvo, and Mack. RNG fueling infrastructure is available throughout North America and is rapidly expanding. Clean Energy alone has over 560 fueling locations at customer sites and at retail locations.

Companies like Amazon, UPS, Waste Management, SAIA, Estes, and TTSI are deploying thousands of RNG trucks today. What do these sustainability-leading companies know? RNG is the lowest carbon fuel available and offers an affordable alternative to diesel today that is proven and scalable.

Learn more about switching your fleet to clean, sustainable RNG here.

 

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