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Alternative Fuels Data Center: Natural Gas Benefits
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</div> </div> </li></ul> </div> <div id="secondary_pages_nav" class="nav-group hidden-phone hidden-tablet"> <ul><li><a href="/data">Maps & Data</a></li><li><a href="/case">Case Studies</a></li><li><a href="/publications">Publications</a></li><li><a href="/tools">Tools</a></li><li><a href="/about">About</a></li><li><a href="/">Home</a></li></ul> </div> </nav> </div> </div> <div class="visible-print-preview" id="print_preview"> <h5>Print Preview</h5> <div class="row-fluid"> <div class="span12"> <a href="#print" id="print_preview_print"> <i class="icon-eere-print"></i><br /> Print </a> </div> <div class="span12"> <a href="#cancel" id="print_preview_cancel"> <i class="icon-eere-close"></i><br /> Close </a> </div> </div> </div> <div id="print_header" class="row-fluid visible-print"> <h3>U.S. Department of Energy - Energy Efficiency and Renewable Energy</h3> <h4>Alternative Fuels Data Center</h4> </div> <div class="container-fluid hidden-print"> <div id="utility_line" class="row-fluid"> <div id="breadcrumb" class="span18"> <div><a href="http://www.eere.energy.gov/">EERE</a> » <a href="/">AFDC</a> » <a href="/fuels">Fuels & <span class="primary-nav-break">Vehicles</span></a> » <a href="/fuels/natural-gas">Natural Gas</a></div> </div> <div class="span6 last"> <ul id="utilities"> <li id="print" class="hidden-phone hidden-tablet"><a href="#printable"><i class="icon-eere-utility-print"></i>Printable Version</a></li> </ul> </div> </div> </div> </header> <div class="container-fluid"> <div class="row-fluid"> <div class="span4 hidden-print"> <div class="accordion plus-minus-accordion plus-minus-accordion-grey hidden-print" id="left_nav_accordion"> <div class="accordion-group"> <div class="accordion-heading visible-phone collapsed"> <a href="#left_nav" class="accordion-toggle" data-toggle="collapse"> <span class="accordion-hidden-expanded"> <i class="icon-eere-accordion-plus-grey"></i> </span> <span class="accordion-visible-expanded"> <i class="icon-eere-accordion-minus-grey"></i> </span> More in this section... </a> </div> <div id="left_nav" class="accordion-body collapse-phone"> <ul><li><a href="/fuels/natural-gas-basics">Natural Gas Basics</a></li><li class="selected active-leaf"><a class="selected" href="/fuels/natural-gas-benefits">Benefits & Considerations</a></li><li><a href="/fuels/natural-gas-stations">Stations</a></li><li><a href="/vehicles/natural-gas">Vehicles</a></li><li><a href="/fuels/laws/NG">Laws & Incentives</a></li></ul> </div> </div> </div> </div> <div class="span13" id="main_content"> <!--startindex--> <h1>Natural Gas Benefits and Considerations</h1> <p>Whether produced via conventional or renewable methods, the advantages of natural gas as an alternative fuel include its domestic availability, established distribution network, relatively low cost, and emissions benefits.</p> <p>Renewable natural gas (RNG) and <a href="/fuels/natural-gas-conventional">conventional natural gas</a> must be compressed (CNG) or liquefied (LNG) for use in vehicles. Using natural gas as a vehicle fuel improves public health and the environment, provides safety benefits, and contributes to a resilient transportation system. Like any alternative fuel, there are some considerations to take into account when contemplating the use of natural gas.</p> <h2>Public Health and the Environment</h2> <p>The transportation sector is the largest source of greenhouse gas emissions in the United States. A successful transition to clean transportation will require various vehicle and fuel solutions and must consider life cycle emissions. All new vehicles are equipped with effective emission control systems and must meet the same emissions standards, regardless of fuel type. Consequently, tailpipe <a href="/vehicles/emissions_natural_gas.html">emissions</a> from natural gas vehicles are comparable to those of gasoline and diesel vehicles when all are equipped with modern emissions controls.</p> <p>According to Argonne National Laboratory鈥檚 <a href="https://greet.es.anl.gov/"> Greenhouse Gases, Regulated Emissions, and Energy Use in Transportation (GREET) model</a>, light-duty vehicles running on conventional natural gas can provide small to moderate GHG emissions reductions and reduce life cycle greenhouse gas emissions by 15% (reductions are more substantial for vehicles running on RNG). In addition, because CNG fuel systems are completely sealed, the vehicles produce no evaporative emissions.</p> <p>Natural gas produced via renewable methods offers additional benefits. <a href="/fuels/natural_gas_renewable.html">RNG</a> is essentially biogas鈥攖he gaseous product of the decomposition of organic matter鈥攖hat has been processed to purity standards. Capturing biogas from landfills and livestock operations reduces emissions by preventing methane release into the atmosphere. Methane is 25 times stronger than carbon dioxide as a greenhouse gas. Additionally, producing biogas through <a href="/glossary.html#AnaerobicDigestion">anaerobic digestion</a> reduces odors and produces nutrient-rich liquid fertilizer.</p> <h2>Vehicle Performance</h2> <p><a href="/vehicles/natural-gas">Natural gas vehicles</a> (NGVs) are similar to gasoline or diesel vehicles with regard to power, acceleration, and cruising speed. The driving range of NGVs is generally less than that of comparable gasoline and diesel vehicles because, with natural gas, less overall energy content can be stored in the same size tank. Extra natural gas storage tanks or the use of LNG can help increase range for larger vehicles.</p> <p>In heavy-duty vehicles, dual-fuel, compression-ignited engines are slightly more fuel-efficient than spark-ignited dedicated natural gas engines. However, a dual-fuel engine increases the complexity of the fuel-storage system by requiring storage of both types of fuel and the integration of diesel aftertreatment devices.</p> <h2>Infrastructure and Vehicle Availability</h2> <p>Heavy-duty natural gas vehicles are available from U.S. original equipment manufacturers. For availability, see the <a href="/vehicles/search/">Alternative Fuel and Advanced Vehicle Search</a>.</p> <p>Fleets and consumers also have the option of reliably converting existing gasoline or diesel vehicles for natural gas operation using qualified system retrofitters. Qualified system retrofitters can economically, safely, and reliably convert many vehicles for natural gas operation. It is critical that all vehicle and engine <a href="/vehicles/natural-gas-conversions">conversions</a> meet the emissions and safety <a href="/vehicles/conversions-regulations">regulations</a> and standards instituted by the U.S. Environmental Protection Agency, the National Highway Traffic Safety Administration, the National Fire Protection Agency's <a href="https://www.nfpa.org/codes-and-standards/all-codes-and-standards/list-of-codes-and-standards/detail?code=52">NFPA 52</a> Vehicular Natural Gas Fuel Systems Code, CSA Group's <a href="https://www.csagroup.org/store/product/2425980/">CSA/ANSI NGV 6.1 code</a>, and state agencies like the California Air Resources Board.</p> <p>Although the United States has an extensive natural gas distribution system in place, vehicle fueling infrastructure is limited. For this reason, many fleets choose to install their own <a href="/fuels/natural-gas-stations">natural gas fueling infrastructure</a>, which can be costly, or partner with other fleets to establish shared infrastructure. Partnering on infrastructure this way has many benefits, such as reduced payback period and higher throughput, which often translates to lower fuel costs.</p> <h2>Energy Resilience</h2> <p>The transportation sector accounts for about 30% of total U.S. energy needs and 70% of U.S. petroleum consumption. Using natural gas and other alternative fuels and advanced technologies to provide diverse clean transportation options strengthens national energy security by increasing resilience to natural disasters and fuel supply disruptions.</p> <!--stopindex--> </div> <div class="span7"> <div class="accordion plus-minus-accordion hidden-print" id="related_accordion"> <div class="accordion-group"> <h5 class="accordion-heading expanded"> <a href="#related_maps_data" class="accordion-toggle" data-toggle="collapse" data-parent="#related_accordion"><i class="icon-eere-accordion-plus accordion-hidden-expanded"></i><i class="icon-eere-accordion-minus accordion-visible-expanded"></i> Maps & Data</a> </h5> <div id="related_maps_data" class="accordion-body collapse in"> <div class="accordion-inner"> <div id="related_maps_data_carousel" class="carousel"> <div class="carousel-inner"> <div class="item active"> <div class="title-container"><a href="/data/10326"> Average Retail Fuel Prices in the United States</a></div> <div class="img-container"> <a href="/data/10326"><img src="/files/u/data/thumbnail/10326/generated_thumb20241007-287-f90rxv.png?1151560e83" alt="Average Retail Fuel Prices in the United States" /></a> </div> </div> <div class="item"> <div class="title-container"><a href="/data/10581"> Clean Cities and Communities Alternative Fuel Vehicle Inventory</a></div> <div class="img-container"> <a href="/data/10581"><img src="/files/u/data/thumbnail/10581/generated_thumb20240220-535-rpov4j.png?7ac8825b4c" alt="Clean Cities and Communities Alternative Fuel Vehicle Inventory" /></a> </div> </div> <div class="item"> <div class="title-container"><a href="/data/10460"> Consumption of Natural Gas in the United States</a></div> <div class="img-container"> <a href="/data/10460"><img src="/files/u/data/thumbnail/10460/generated_thumb20240125-522-9uo1m4.png?7df4c235fd" alt="Consumption of Natural Gas in the United States" /></a> </div> </div> </div> <a class="carousel-control left" 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