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However, they also noted, high PTW efficiencies and the moderate fuel economies of current compressed natural gas vehicles (CNGVs) make them a viable option as well. If CNG were to be eventually used in hybrids, the advantage of the electric generation/EV option shrinks. Their open access paper is published in the journal Energy.
The US Department of Energy (DOE) has published a Beyond Tailpipe Emissions Calculator that provides estimates of total greenhouse gas (GHG) emissions associated with driving an electric vehicle (EV) or plug-in hybrid electric vehicle (PHEV), including emissions from the production of electricity used to power the vehicle.
Baltimore Gas and Electric Company (BGE), a subsidiary of Constellation Energy, has launched a multiyear plug-in hybrid electric vehicle (PHEV) demonstration project using GridPoint’s smart charging software ( earlier post ). BGE will also evaluate the impact a PHEV fleet has on the company’s carbon footprint.
In a new study published in the journal Applied Energy , Carnegie Mellon University (CMU) researchers found that controlled charging of plug-in hybrid electric vehicles (PHEVs) reduces the costs of integrating the vehicles into an electricity system by 54–73% depending on the scenario.
Researchers at the Department of Energy’s Oak Ridge National Laboratory (ORNL) in late February demonstrated a 20-kilowatt bi-directional wireless charging system installed on a UPS medium-duty, plug-in hybrid electric delivery truck. ORNL’s bidirectional technology is fully compliant with grid power quality standards.
Households with plug-in hybrid vehicles (PHEVs) and smart meters actively managed how, when and where they charged their cars based on electricity rates but rarely took advantage of online feedback, according to a two-year study by a team at the University of Colorado Boulder’s Renewable and Sustainable Energy Institute ( RASEI ).
GHG emissions in PHEV post-transmission configuration as an example of the optimization study output. Broadly, he found that for the PHEV pre-transmission configuration, there is a trade-off between fuel economy and GHG emissions when the motor/generator and battery size increases. Source: A.A. Malikopoulos. Click to enlarge.
The E-KIZUNA Project, managed by the city in collaboration with a wide variety of stakeholders, aims to help fight global warming and realize a sustainable, low-carbon society through the popularization of electric vehicles. (In Constructing an electric charging safety net. Interior structure of MCHP1.0K2.
A study by researchers at the University of Texas found that in general, use of plug-in hybrid electric vehicles (PHEVs) can lead to an increase in ozone during nighttime hours (due to decreased scavenging from both vehicles and EGU stacks) and a decrease in ozone during daytime hours. The results are less clear in Dallas and Houston.
Australia’s CSIRO and Victorian energy distributor SP AusNet have begun a three-month road trial of plug-in hybrid electric vehicles (PHEVs). Staff from SP AusNet will use the PHEVs for their daily drive to work and for leisure as part of the trial. CSIRO - SP AusNet PHEV. Click to enlarge. Dr Paevere. Sean Sampson.
Chrysler Group LLC, working in partnership with the US Department of Energy (DOE), will deliver 10 demonstration fleet Ram 1500 plug-in hybrid electric vehicle (PHEV) pickup trucks to Massachusetts Bay Transportation Authority (MBTA). Chrysler Group LLC has delivered Ram 1500 PHEV trucks to the city of Yuma, Ariz., Albany, N.Y.,
In a member survey last month, more than 80% of the respondents voiced support for the addition of electric vehicles (EVs), plug-in hybrids (PHEVs) and alternative fuel vehicles to the fleet. An hourly or daily fee covers gas, insurance, maintenance, parking and 24-7 emergency service.
The BMW Group and Pacific Gas and Electric Company (PG&E) announced an expanded partnership that further leverages renewable energy to sustainably power electric vehicles (EVs). The goal of the phase-three pilot is to continue to make smart charging more beneficial to the grid and more rewarding for BMW EV drivers.
Yesterday, the US Environmental Protection Agency (EPA) and the National High Traffic Safety Administration (NHTSA) jointly established increasingly stringent greenhouse gas emission standards under the Clean Air Act for 2012 through 2016 model-year vehicles and fuel economy standards under the Corporate Average Fuel Economy program, respectively.
Researchers at the University of Colorado, Boulder and the National Renewable Energy Laboratory (NREL) modeled the emissions impact had plug-in hybrid electric vehicles (PHEVs) replaced light duty gasoline vehicles in the Denver, Colorado area in summer 2006. Brinkman et al. VOC emissions would have been reduced by 57 tpd.
In its new report Energy Storage on the Grid (ESG), Pike Research forecasts that global spending in the ESG market will reach a little over $22 billion over the next 10 years. Electricgrids require balance in order to function properly. Energy storage on the grid is reaching a turning point. Earlier post.).
Alternative fuel vehicles (AFVs)—including battery-electric (BEVs), plug-in hybrid (PHEVs), propane autogas (PAGVs) and natural gas vehicles (NGVs)—will grow from 5.0% Vehicles running primarily on hydrogen and electricity will make up less than 1% of all MHDVs in 2035, according to Navigant.
Seven companies—Tokyo Electric Power Company Holdings, Inc. TEPCO Power Grid, Inc.; Mitsubishi Motors Corporation (MMC); SHIZUOKA GAS Co., Stabilizing the power grid requires the use of thermal power but this incurs costs in owning and maintaining such power generating plants. TEPCO); TEPCO Energy Partner, Inc.;
Ford has into a partnership with Johnson Controls-Saft (JCS) to develop advanced lithium-ion battery system to power Ford’s first production plug-in hybrid electric vehicles (PHEV) beginning in 2012. Ford’s current demonstration fleet of Escape plug-in hybrid electric vehicles (PHEV) is using JCS Li-ion packs.
In addition to its regional and temporal scope, this study is distinct from earlier LCA literature in four key aspects: This study considers the lifetime average carbon intensity of the fuel and electricity mixes, including biofuels and biogas. This is especially important for assessing the GHG emissions of PHEVs.
life-cycle study of three Li-ion battery chemistries for plug-in hybrid (PHEV) and battery-electric (BEV) vehicles generated a number of findings and identified opportunities for improving the environmental profile of Li-ion batteries for use in plug-in and electric vehicles. A recent Abt Associates, Inc. Click to enlarge.
The environmental benefit of a large-scale deployment of plug-in hybrid electric vehicles (PHEVs) in the Canadian province of Alberta could vary significantly, ranging from a 40% to a 90% reduction in greenhouse gases, according to a study by electrical engineers at the University of Calgary’s Schulich School of Engineering.
Researchers at Argonne National Laboratory have published results of a well-to-wheels (WTW) lifecycle analysis of petroleum energy use and greenhouse gas emissions of plug-in hybrid electric vehicles employing gasoline, diesel, E85 and hydrogen (fuel cell) fuels, with an all-electric range between 10 to 40 miles.
The study provides a comprehensive analysis of the cost and greenhouse gas (GHG) emissions of a variety of vehicle-fuel pathways; the levelized cost of driving (LCD); and the cost of avoided GHG emissions. Selected fuel pathways were constrained to those deemed to be nationally scalable in the future. Fuel production pathways considered.
unveiled PowerDrive, a suite of plug-in hybrid electric powertrain solutions spanning light-, medium- and heavy-duty applications, at the 2018 IAA Commercial Vehicle Show. In a series hybrid, the electric motor is the only means of providing power to the wheels. Cummins Inc. The vehicle’s gross weight is 33,000 lbs (15 mt gvw).
In a new study, a team from Carnegie Mellon University (CMU) and Ford Research and Advanced Engineering set out to determine the optimal mix for the fleet of mid-size personal vehicles in the US—while maintaining current driving patterns—with the goals of minimizing greenhouse gas emissions (GHG) or cost. We follow Shiau et al.
The US Department of Energy’s (DOE) National Renewable Energy Laboratory (NREL) will partner with an industry-academia team led by the California Center for Sustainable Energy (CCSE) to investigate secondary applications for aged battery packs from electric drive vehicles. NREL PHEV/EV Li-Ion Battery Second-Use Project.
A pair of researchers at the University of Michigan have used “big data” mining techniques to evaluate the impact of adopting plug-in electric vehicles (PEVs) in the Beijing taxi fleet on life cycle greenhouse gas emissions based on the characterized individual travel patterns. In particular, consumer travel patterns (i.e.,
General Motors has released a white paper that evaluates the CO 2 reduction potential of extended-range electric vehicles (E-REVs) as well as plug-in hybrids (PHEVs), in combination with multiple vehicle charging scenarios, as compared to conventional hybrids. The vehicles are defined as follows: Hybrid Electric Vehicle (HEV) : A 2.4L
The marginal electricity emissions rate will be higher than the average rate from all generation—likely to exceed 600 gCO 2 equiv.kWh -1 during most hours of the day and months of the year—and will likely be more than 60% higher than the value estimated in the Low Carbon Fuel Standard.
Sales of plug-in vehicles (PEVs) in 2013 will continue to outpace the first years of hybrid vehicle sales as more than 210,000 PEVs will be sold globally and more than three dozen PEV models will debut, according to a year-end free whitepaper published by Pike Research, that makes 10 specific predictions about electric vehicles in 2013.
Aspirational targets among seven countries participating in the Electric Vehicle Initiative would see growth from just under 2 million EV and PHEVs to just under 20 million by 2020. Source: “Electric Vehicle Grid Integration”. Spain has set a goal of 250,000 electric vehicles on the road by 2014. Click to enlarge.
It adds an assessment of electrically chargeable vehicle configurations, such as plug-in hybrid, range extended, battery and fuel-cell electric vehicles. It also introduces an update of natural gas pathways, taking into account the addition of a European shale gas pathway. ICE-based vehicles and fuels. Dimethyl ether.
Accenture defined disruptive fuel technologies as those that: Reduce hydrocarbon fuel demand by more than 20% by 2030; Save greenhouse gas emissions (GHG) by more than 30% relative to the hydrocarbons they replace; Will be commercial in less than five years; and. Vehicle-to-grid (V2G). Controlled charging.
Two recent studies explore different aspects of the use, potential impact and valuation of PHEVs. A study by Jonn Axsen and Ken Kurani from the Institute of Transportation Studies, UC Davis, estimates electricity and gasoline use under three recharging scenarios. the electric range capability—of the PHEV.
With Smart Grid, Plug-In Hybrid Cars Could Have System Benefits Physorg Feb 28, 2007 Xcel Energy announced the results of a six-month study related to plug-in hybrid electric vehicles (PHEVs) and how an increase in their popularity may affect Colorado. Here is the story.
The study, in press in the Journal of Power Sources , examines the efficiency and costs of current and future EVs, as well as their impact on electricity demand and infrastructure for generation and distribution, and thereby on GHG emissions. Compare GHG emissions and costs of PHEV and BPEV with those of regular cars.
The first commercial, ultrafast charge, electric vehicle charging station has begun operations in Chongqing, China. The 3,200 kW, 2,065 m 2 charging station—jointly developed by Microvast and the China State Grid—includes six 400 kW individual chargers; each charger fills a bus battery in 5 to 10 minutes. a Microvast subsidiary.
Sample label for a plug-in gasoline hybrid-electric vehicle, which features fuel economy ratings for both electricity and gasoline. The new labels will for the first time provide: New ways to compare energy use and cost between new-technology cars that use electricity and conventional cars that are gasoline-powered.
Researchers at MIT and the Ford Motor Company have found that depending on the location, lightweight conventional vehicles could have a lower lifecycle greenhouse gas impact than electric vehicles, at least in the near term. Their paper is published in the ACS journal Environmental Science & Technology. —Wu et al.
The study focused on a portfolio of powertrains: BEVs, FCEVs, PHEVs and ICEs, taking into account significant advances in ICE technology between now and 2020. Oil and gas : ENI Refining and Marketing, Galp Energia, OMV Refining and Marketing GmbH, Shell Downstream Services International B.V., Click to enlarge.
The awards in this tranche focus on power electronics, grid-scale energy storage, and building efficiency; of the 43, three are categorized specifically for the automotive market—power electronics projects led by HRL Laboratories, LLC; Arkansas Power Electronics International, Inc.; Agile Delivery of Electrical Power Technology (ADEPT).
United States light duty vehicle use, greenhouse gas emissions and selected characteristics of density and roadway extent. Wind and solar resources are intermittent and require changes in the operations of the grid at appreciable generation fractions, they note. Credit: ACS, Mashayekh et al. Click to enlarge. —Mashayekh et al.
In this paper, we investigate variation in life cycle cost and emission benefits of hybrid and plug-in vehicles under a range of driving conditions with a sensitivity analysis to critical factors such as gasoline prices, vehicle costs and electricitygrid mix. All-electric range (AER). —Karabasoglu and Michalek.
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