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Colorado State University will retrofit two internal delivery trucks with fuel-efficient hydraulic hybrid systems, paid for by a grant from the Colorado Energy Office. Colorado State has selected Lightning Hybrids LLC ( earlier post ) to provide the systems.
Lightning Hybrids , a maker of hydraulic hybrid systems for medium- and heavy-duty trucks and buses ( earlier post ), released initial results from emissions testing conducted by an independent testing facility in Colorado of two medium-duty trucks upfitted with the Lighting Hybrids system. With its high average speed(18.9 mph), low 2.1
For example, about 60 percent of roadway emissions come from 10 percent of the roads. We can identify the ones with the highest emissions and track how well efforts to reduce those emissions are working. It’s the first megacity for which we’ve quantified emissions down to the scale of every building and roadway.
Using a new methodology, a study published in Proceedings of the National Academy of Sciences (PNAS) has concluded that anthropogenic emissions of methane from agriculture and fossil fuel extraction and processing (i.e., times greater than in most inventories and account for 24 ± 3% of national emissions. —Miller et al.
The US Department of Energy (DOE), General Motors and MathWorks launched the EcoCAR Mobility Challenge, the latest DOE-sponsored Advanced Vehicle Technology Competition ( AVTC ), revealed the 12 competing universities and named the Chevrolet Blazer as the vehicle platform selected for the competition. Embry-Riddle Aeronautical University.
Engineers from Colorado-based Lightning Systems are using artificial neural networks to predict accurately the fuel economy and tailpipe emissions of fleet vehicles. Using artificial neural networks, we are able to accurately predict fuel consumption and emissions of commercial and government fleets.
The global economic recession of 2008—which severely depressed light-duty vehicle sales—resulted in an increase in the age of the light-duty vehicle fleet in the US that likely slowed the rate of decrease of fleet average emissions, according to a study by Gary Bishop and Donald Stedman at the University of Denver.
At the SAE 2011 World Congress in Detroit, Michigan, US Department of Energy’s (DOE) Assistant Secretary for Policy and International Affairs, David Sandalow, announced the official launch of the EcoCAR 2 : Plugging into the Future competition and the sixteen university teams selected to participate.
To complement its work on real-world emissions in Europe, TRUE has compiled remote sensing data from the states of Colorado and Virginia and the University of Denver to investigate the emissions of US light-duty vehicles. By 2018, the percentage of the fleet responsible for 50% of total NO emissions had decreased to 11%.
By including upstream emissions from fuels, GHG emissions from cities exceed those attributed to direct end-use by up to 24% (for Toronto). By including upstream emissions from fuels, the researchers found that GHG emissions attributable to cities exceed those from direct end use by up to 24%. Tonnes CO 2 e/capita.
The US Department of Energy (DOE) has selected eight new projects to further advanced coal research under the University Coal Research Program. Princeton University, Princeton, NJ. University of Colorado, Boulder, Colo. Iowa State University, Ames, Iowa. University of Wisconsin, Madison, Wis.
Seasonal ethanol emissions from North America. Emissions for present-day are compared to those for the EISA and All-E85 scenarios. However, the significance of this effect will depend on the size of the emission change compared to that of the existing source fluxes, which are poorly known. Labels at left are months (e.g.,
GHG emissions for ATP shale (low and high cases) and conventional gasoline in grams of CO 2 e per MJ of final fuel delivered. These emissions are 1.5 times larger than emissions from conventionally produced gasoline. Full-fuel-cycle GHG emissions are estimated to be 129 g CO 2. Credit: ACS. Click to enlarge. These are ~1.5-1.75
But vehicles also contribute to the problem because their catalytic converters or selective catalytic reduction systems—which are designed to reduce emissions of nitrogen oxide (NO x ) pollutants including NO 2 —have the undesirable side-effect of producing ammonia emissions.
Lightning eMotors, a leading provider of commercial electric vehicles for fleets, announced a $45-million order for its zero-emission powertrain systems from Faribault, Minnesota-based motorcoach supplier ABC Companies. The first zero-emission motorcoach was delivered in December. —Roman Cornell.
Consumer products such as shampoo, cleaning products and paint now contribute as much to emitted volatile organic compounds (VOCs) in cities as tailpipe emissions from vehicles, according to a new study led by NOAA. Total VOC emission factors for end uses of petrochemical sources in the study. —McDonald et al.
The US Department of Energy (DOE) is awarding $60 million to 24 research and development projects aimed at reducing carbon dioxide emissions from passenger cars and light- and heavy-duty trucks. (DE-FOA-0002420) SUNY University @ Stony Brook. Penn State University. Penn State University. University of Illinois at Chicago.
Even so, during 2010-2014, people in parts of California, Arizona, Colorado, Texas, the Midwest and the Middle Atlantic still experienced more than 15 days a year in which ozone levels exceeded the US health-based air quality standard of 70 parts per billion (ppb) averaged over eight hours. Source: University of Leicester. Owen Cooper.
Lightning Systems, a global developer of zero-emission solutions for commercial fleets, is partnering with the City of Boulder and transit provider Via Mobility Services to repower diesel buses with battery-electric systems. The city and Via staff plan to continue to transition the entire HOP fleet to zero-emission vehicles in the near-term.
earlier post ) found that such biodiesel reduces greenhouse gases (GHG) emissions by 90% compared to petroleum diesel in the US. A life cycle assessment (LCA) of biodiesel produced from castor bean varieties being developed by Israel-based Evogene Ltd.
The selected projects, led by universities, national laboratories, and the private sector aim to develop commercially scalable technologies that will enable greater domestic supplies of copper, nickel, lithium, cobalt, rare earth elements, and other critical elements. Columbia University. Harvard University. Earlier post.)The
The universities receiving the funding through EPA’s Science to Achieve Results (STAR) Program include: Colorado State University, to gain insights on how emissions from wildfires and volatile chemical products (for example, personal care products, cleaning agents, and coatings) contribute to the formation of fine particles in the atmosphere.
The US Department of Energy (DOE) announced $35 million in funding for twelve projects focused on developing technologies to reduce methane emissions in the oil, gas, and coal industries. This would simultaneously reduce methane emissions and improve engine efficiency. Natural Gas Engines. Selection amount: $3,257,089).
Alabama A&M University. Alabama A&M University will receive funds to purchase zero-emission electric buses, which will replace diesel buses that have reached the end of their useful life. Colorado Department of Transportation. City of Tucson. Michigan Department of Transportation. 6,393,031.
The California law enabling single-occupant access to the HOV lanes was meant to stimulate sales for fuel-efficient, ultra low-emission vehicles, with the goals of reducing dependence on foreign oil and saving money at the gasoline pump. 6, Issue 3 doi: 10.1257/pol.6.3.1.
A study published earlier this year in the journal Nature Climate Change that cast doubt on whether biofuels produced from corn residue could meet federal mandates for cellulosic biofuels to reduce greenhouse gas emissions by 60% compared to gasoline ( earlier post ) has drawn critical response published as correspondence in the same journal.
The first peer-reviewed study to directly quantify how emissions from oil and natural gas (O&NG) activities influence summertime tropospheric ozone (O 3 ) pollution in the Colorado Front Range confirms that chemical vapors from oil and gas activities are a significant contributor to the region’s chronic ozone problem. McDuffie et al.
Sulfur dioxide (SO 2 ), carbonyl sulfide (OCS), and dimethyl sulfide (DMS) are the dominant surface emissions which contribute to aerosol formation. Vernier, NASA-Langley Research Center and University of Paris; Ellsworth Dutton, Global Monitoring Division of NOAA-ESRL; and Larry Thomason, NASA-Langley. Source: NOAA. Click to enlarge.
GE Global Research will optimize an oxy-combustion natural gas-fired turbine—the Allam-Fetvedt cycle—for flexible generation on a grid with high-variable renewable energy (VRE) penetration at near-zero carbon emissions. Colorado State University. University of Pittsburgh. Georgia Institute of Technology.
New airborne measurements downwind from an Archer Daniels Midland fuel ethanol plant in Decatur, Illinois, show that ethanol emissions are 30 times higher than government baseline estimates. The researchers used those to calculate emissions of various gases, including VOCs, nitrogen oxides and sulfur dioxide. —Joost de Gouw.
University of Colorado, Boulder. The University of Colorado Boulder will lead a multi-institutional team to develop a data-driven framework of physical testing and modeling to enable the gas industry to better evaluate products to rehabilitate cast iron and steel natural gas pipes and enhance their performance and longevity.
New research by Lawrence Livermore National Laboratory (LLNL), Carnegie Mellon University, SRI International and the University of Colorado at Boulder shows that drone-based delivery could reduce greenhouse gas emissions and energy use in the transportation sector. Stolaroff et al. Click to enlarge.
One program, Reducing Emissions using Methanotrophic Organisms for Transportation Energy (REMOTE, earlier post ), provides $34 million to 15 projects to find advanced biocatalyst technologies that can convert natural gas to liquid fuel for transportation. Northwestern University. Pennsylvania State University.
They found that the increase in ozone burden due to the spatial distribution change slightly exceeds the combined influences of the increased emission magnitude and global methane. Based on their findings, they suggested that emission increases in Southeast, East and South Asia may be most important for the ozone change.
The projects are based in 24 states, with approximately 47% of the projects led by universities; 29% by small businesses; 15% by large businesses; 7.5% and greenhouse gas emissions and could be deployed in remote. Colorado State. University. Researchers from Colorado State University will develop a system.
The funding is part of the ARPA-E MINER program ( earlier post ), which prioritizes funding technologies that support novel approaches to increases the mineral yield while decreasing the required energy, and subsequent emissions, to mine and extract these energy-relevant minerals. —Paris Smalls, CEO and co-founder of Eden.
A new modeled study by researchers at Colorado State University, the University of Illinois, and the USDA Agricultural Research Service (ARS) finds that biofuel grasses have the potential to replace corn-based ethanol in a way that is both environmentally and economically beneficial. —Davis et al.
Recipients of the three new cost-shared projects are: Colorado State University will receive $1.2 million to research ultra-low emissions, high-efficiency heavy-duty natural gas engines with optimized combustion chamber designs. University of Minnesota will receive $1.1 University of Minnesota will receive $1.4
The presence of ammonia was first discovered in the upper troposphere in 2016 using the analysis of averaged MIPAS (Michelson Interferometer for Passive Atmospheric Sounding) infrared limb-emission spectra. The emission sources are limited up there. This is important, especially in the relatively clean upper troposphere.
The OptiBlend system lowers operational costs, increases back up runtime capacity, and reduces NO x , CO 2 , and PM emissions. Hythane Company performed laboratory emissions testing at an EPA-certified testing laboratory in Texas on the Cummins QSK50 engine/generator set (genset) intended for subsequent drilling applications in the USA.
Cooperative Institute for Research in Environmental Sciences (CIRES) at the University of Colorado Boulder. Detailed VOC measurements from two aircraft campaigns in the LA basin in 2002 and 2010 were used to show that VOC emissions have been reduced by about a factor of two in those eight years. The difference was amazing.
The selected projects consist of leading scientists and engineers from universities, private industry, and government, and will facilitate sharing expertise and technologies. Catchlight Energy, LLC; Colorado School of Mines; Iowa State University; Los Alamos National Laboratory; Pall Corporation; RTI International; Tesoro Companies Inc.;
These consortia—led in theUS by the National Renewable Energy Laboratory (NREL), the University of Florida, and Lawrence Berkeley National Laboratory (LBNL)—will bring together experts from national laboratories, universities, and industry in both the US and India. MEMC Corporation; and Solarmer Energy Inc. .;
University of Colorado Boulder researchers have developed nanobio-hybrid organisms capable of using airborne carbon dioxide and nitrogen to produce a variety of plastics and fuels, a promising first step toward low-cost carbon sequestration and eco-friendly manufacturing for chemicals. —Prashant Nagpal. Yuchen Ding, John R.
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