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White Paper: Emissions and Global Warming

Climate change, global warming, and greenhouse gases have become a source of consternation for cities and nations around the globe. Scientists have determined that carbon dioxide emissions from vehicles are the primary source, but the metrics used to measure them can differ widely. Emission metrics are critical for governments, companies, and individuals looking to quantify the factors that cause global warming.

NGVAmerica, the Washington, D.C. national trade association for natural gas fuel in transportation, has released a white paper on greenhouse gas emission metrics: Understanding Global Warming Potential and Other Greenhouse Gas Emission Metrics.

The report offers a high-level overview of emission metrics and their associated timeframes, and explores how natural gas use in transportation provides an immediate reduction in long-lived CO2 emissions. It also outlines how natural gas vehicles (NGVs) can reduce the carbon footprint by lowering the amount of methane emitted along the whole supply chain, far more than other fuel options.

“There are several metrics for analyzing greenhouse gases, and there is some debate about which methods are most appropriate,” said Dan Bowerson, NGVA’s director of technology and development. “This white paper explains the differences in emission metrics and when one may be used over another.”

The white paper is a product of NGVAmerica’s Emissions & Environmental Work Group comprised of multiple NGVAmerica members:  Gas Technology Institute, Shell, Hexagon Composites, Gladstein, Neandross & Associates, Clean Energy, Agility Fuel Solutions, Cummins Westport, Westport, Puget Sound Energy, SDJ Industries, American Gas Association, Clean Fuels Consulting, SoCal Gas, and Argonne National Laboratory, U.S. Department of Energy.

A copy of the report is publicly available here on the new ngvamerica.org website.

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