natural gas vehicle Articles
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Switching from diesel to CNG or LNG fueled engines
Gas engine fact: there are more than 28,000 engines in service in the refuse industry worldwide. Over the past several years, more and more American refuse companies have been considering the change from diesel to either CNG (compressed natural gas) or LNG (liquefied natural gas) fueled engines in their collection fleets. This article will discuss some components to consider before transitioning ...
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Dane County Landfill
Location: Rodefeld Landfill Dane County, Wisconsin Partners: Dane County BioCNG, LLC Unison Solutions ANGI Madison College Contact: Kay Turgeson Assistant Business Manager BioCNG, LLC kay.turgeson@biocng.us (630) 410-7202 Feedstock: Municipal Solid Waste Vehicles Fueled: 30 vehicles and 2 snow plows are powered by R-CNG with plans to add 8 additional plows in 2014. ...
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Janesville Wastewater Project
Location: Janesville Wastewater Plant Janesville, WI Partners: City of Janesville AECOM Unison Solutions BioCNG, LLC – Cornerstone Contact: Daniel Lynch, P.E. Utility Director lynchd@ci.janesville.wi.us Feedstock: Wastewater Biogas Vehicles Fueled: Up to 40 light-duty municipal vehicles Maximum Annual Fuel Production: 3,650 GGE Payback Period: 2-3 ...
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Prevent tail gas pollution and reject environmental hazards
Motor vehicle exhaust is the exhaust gas generated during the operation of motor vehicles, including carbon monoxide (CO), nitrogen oxides (NOx), hydrocarbons (HC) and solid suspended particles (PM), which is one of the culprits of air pollution. From the perspective of the current pollution situation, the vehicle exhaust emissions to a large extent exceed the self purification capacity of the ...
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Life cycle assessment of sludge management with phosphorus utilisation and improved hygienisation in Sweden
To provide input to sewage sludge management strategies that address expected new regulations in terms of hygienisation and phosphorus recovery in Sweden, an environmental life cycle assessment (LCA) was made. The LCA identified environmental hot spots for methods that may permit sludge or phosphorus from sludge to be applied on agricultural land. In particular, thermophilic digestion, ...
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The future for using jet devices for solving environmental problems
The development of ejector technology is analysed as it applies for solving environmental problems. Success achieved in this field is connected with its special features the full absence of rotating and movable parts, lubricants and any seals and, consequently, the high reliability and low capital costs. This article concerns the use of jet devices for utilisation of steam obtained by means of ...
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Prospects for using jet devices to solve environmental problems
The development of ejector technology is analysed as it applies to the solving of environmental problems. The success achieved in this field is connected with its special features the full absence of rotating and movable parts, lubricants and any seals, and, consequently, the high reliability and low capital costs. This article concerns the direction of using jet devices for utilisation of steam ...
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What is energy recovery?
Processes like incineration and anaerobic digestion not only provide sources of energy, but they also reduce waste volume The term “energy recovery” often is applied only to a narrow number of methods for converting wastes into energy, when in fact it applies to a broad range of technologies used to create heat, electricity, or fuel. Energy recovery gives governments and businesses ...
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EPA`s mandatory GHG emissions reporting commences Jan 1st in US
The Envinronmental Protection Agency (EPA) has announced its new mandatory GHG reporting program will commence on January 1st 2010 with reports being due in 2011. The new mandatory GHG rule from the EPA brings some changes from the originally proposed rule. Some of the changes are outlined below. INDUSTRIES INCLUDEDExcluded from reporting are the following industries: Electronics manufacturing ...
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It’s time to stop overspending our freshwater budget
If freshwater is to remain a renewable resource, we must balance supply and demand on farms, in cities, in industry and in power production. When you look to the year ahead, what do you see? Ensia recently invited eight global thought leaders to share their thoughts. In this interview with Ensia contributor Lisa Palmer, World Resources Institute Global Water Program director Betsy Otto responds ...
By Ensia
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Women Leaders in Waste: Diana Grootonk of Labrie Enviroquip
Hiring and retaining quality employees and identifying the right market opportunities for the business are always top of mind for Grootonk. When Myers Power Products Inc. acquired Labrie Enviroquip Group in January 2012, Diana Grootonk had not planned on taking on the role of chief executive officer (CEO) for Labrie, which manufactures waste collection vehicles for the North American market. But ...
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Application of PdCe-HMOR catalyst as NOx CH₄-SCR system for heavy-duty vehicles moved by natural gas
Abstract In this work a cobalt-free zeolite-based catalyst formulation is proposed for NOx CH4-SCR towards a commercial application of after-treatment system for heavy-duty vehicles moved by natural gas (lean-gas burn engines). PdCe-HMOR catalyst was characterised by H2-TPR, DRS UV–Vis and TEM/EDS. The effect of [CH4]/[NO] in the gas feed was studied in order to assess the catalytic ...
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Urban Air Quality Management
' Poor air quality due to pollution is a serious environmental problem in most urban areas. The greatest burden of pollution is on human health. Urban air quality management requires an integrated approach that (i) identifies the most serious problems and measures that offer cost-effective and feasible solutions across a range of economic sectors and pollution sources including industries, ...
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A 3-scope emissions solution
In September, Bullfrog Power launched the availability of green fuel for businesses across Canada. Bullfrog Power’s green fuel is an earth-friendly, renewable alternative to liquid fossil fuel, allowing climate-conscious businesses in Canada to reduce the environmental impact of their transportation. By combining Bullfrog Power’s green natural gas, green electricity and green fuel ...
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A closer look at urban transport - TERM 2013: transport indicators tracking progress towards environmental targets in Europe
Transport guarantees our mobility and access to goods. Moreover, the transport sector helps maintain and develop our societal and economic systems. Transport is also a main source of pressures on the environment, such as the unsustainable use of natural resources, as well as greenhouse gas, air pollutant and noise emissions. Many of these environmental problems are inter-linked, requiring ...
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Adding Value With Anaerobic Digestion
Adding waste-to-energy technology to wastewater treatment produces energy that can be used to power operations Anaerobic digestion (AD) is a biological process that uses microbes to biodegrade organic matter (feedstock) in the absence of oxygen. It provides a host of benefits in the treatment of challenging wastewater streams while offering the opportunity to produce value in the process. ...
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Landfills have a huge greenhouse gas problem. Here’s what we can do about it.
We take out our trash and feel lighter and cleaner. But at the landfill, the food and yard waste that trash contains is decomposing and releasing methane, a greenhouse gas that’s 28 times more potent than carbon dioxide. Landfill gas also contributes to smog, worsening health problems like asthma. Globally, trash released nearly 800 million metric tons (882 million tons) of CO2 equivalent ...
By Ensia
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Types of Anaerobic Digesters
Biogas, a methane-rich mix of gases created by anaerobic digestion, can be burned to generate electricity or heat, or it can be processed further to produce a valuable source of renewable energy. Different technologies can be used to tailor a solution that makes the most of specific feedstocks Anaerobic digestion is a natural biological process in which bacteria decompose organic matter in ...
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Taking Fossil Fuels to the Next Level - Standards Underpin Extraction, Processing and Distribution
To the average person, the oil and gas industry may appear simple — a matter of literally tapping into a natural resource and distributing it to customers. Of course the matter of extraction is rarely simple, and in the case of emergent hydraulic fracturing technology, it is particularly complex and capital-intensive. In fact, the world of petroleum and natural gas extraction, distribution ...
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Environmental Situation in Africa
Abstract Africa The economic and social needs of Africa depends more on its environmental resources but these natural resources are seriously declining and that is really effecting the entire region. Sustainable development in this rapidly changing region has become an imperative, and must take place in the complex context of a diverse and changing ecosystem, political transition and evolution ...
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