This site uses cookies to improve your experience. To help us insure we adhere to various privacy regulations, please select your country/region of residence. If you do not select a country, we will assume you are from the United States. Select your Cookie Settings or view our Privacy Policy and Terms of Use.
Cookie Settings
Cookies and similar technologies are used on this website for proper function of the website, for tracking performance analytics and for marketing purposes. We and some of our third-party providers may use cookie data for various purposes. Please review the cookie settings below and choose your preference.
Used for the proper function of the website
Used for monitoring website traffic and interactions
Cookie Settings
Cookies and similar technologies are used on this website for proper function of the website, for tracking performance analytics and for marketing purposes. We and some of our third-party providers may use cookie data for various purposes. Please review the cookie settings below and choose your preference.
Strictly Necessary: Used for the proper function of the website
Performance/Analytics: Used for monitoring website traffic and interactions
A new study of the impact of high EV adoption on the Western US power grid by a team from Pacific Northwest National Laboratory (PNNL) has found that 2028 grid resource adequacy—from generation through transmission—is likely to be sufficient for high EV penetration. Source: PNNL.
A new University of Michigan study finds that making the switch to all-electric mail-delivery vehicles would lead to far greater reductions in greenhouse gas emissions than previously estimated by the US Postal Service (USPS). The Postal Service said in February that at least 10% of the new mail trucks would be electric.
Cumulative greenhouse gas emissions versus vehicle mileage for (a) internal combustion engine and battery electric sedans, SUVs, and pickup trucks, and (b) hybrid electric and battery electric sedans, SUVs, and pickup trucks. This is an important study to inform and encourage climate action. —Woody et al.
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 open-access paper on the study is published in the RSC journal Energy & Environmental Science. Along with hydrogen production and use, an energy transition will involve the synchronous upscaling of renewable electricity, batteries, and energy use technologies. Process flow diagram and construction phase boundary. Palmer et al.
A plot of ESOI for 7 potential grid-scale energy storage technologies. A new study by Charles J. Benson from Stanford University and Stanford’s Global Climate and Energy Project (GCEP) has quantified the energetic costs of 7 different grid-scale energy storage technologies over time. Credit: Barnhart and Benson, 2013.
New research by economic and public policy consulting group M.Cubed finds a proliferation of backup generators across California, with nearly 90% being diesel-fueled, posing significant obstacles to achieving greenhouse gas reduction targets and driving nearly $136 million in annual health costs. Of these, 20,907 are diesel-fueled.
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.
The Electric Power Research Institute, 8 automakers and 15 utilities are working to develop and to demonstrate an open platform that would integrate plug-in electric vehicles (PEVs) with smart grid technologies enabling utilities to support PEV charging regardless of location. Automakers and V2G. Earlier post.) Earlier post.).
The California Center for Sustainable Energy (CCSE) will lead a joint research study of how the useful lifespan of electric vehicle batteries could be extended by repurposing them as household electric storage devices with a $992,000 grant from the University of California. Tags: Batteries Electric (Battery).
is shown with both UK and French grid mixes. Renault recently made public the findings of an internal study, published first in October 2011, detailing and comparing the lifecycle assessments (LCAs) of the battery-electric and two internal combustion engined versions (gasoline and diesel) of the Renault Fluence. dCi (66 kW).
ClearFlame Engine Technologies, a startup developing net-zero engine technology ( earlier post ), announced the publication of an independent study that finds ClearFlame’s technology could help fleet owners and other heavy-duty truck operators lower total costs while meeting sustainability goals sooner than currently available alternatives.
Pacific Gas and Electric Company (PG&E) and the California Energy Commission today unveiled a utility-scale sodium-sulfur battery energy storage system ( earlier post ) pilot project to better balance power needs of the electricgrid. The system has a 4 megawatt capacity, and can store more than six hours of energy.
A new study dispels the persistent myth that electric cars pollute just as much as gas-powered cars because they charge on a “dirty” electricgrid, and mining for battery materials is polluting.
A new study by researchers at MIT’s Center for Transportation and Logistics (CTL), concludes that electric commercial vehicles can cost 9 to 12% less to operate than trucks powered by diesel engines when used to make deliveries on an everyday basis in big cities and when V2G (vehicle-to-grid) revenue is incorporated.
With clean hydrogen gaining recognition worldwide as a carbon-free fuel capable of making a significant contribution to addressing climate change, Southern California Gas Co. SoCalGas) will field test a new technology that can simultaneously separate and compress hydrogen from a blend of hydrogen and natural gas.
A new study published in Nature Communications by researchers from IIASA, Boston University, and the Ca’ Foscari University of Venice found that by mid-century, climate change will increase the demand for energy globally, even with modest warming. The world is dependent on energy both for human wellbeing and society’s continued development.
The global push to convert the world to electric vehicles will cause supply chain complexities that could undermine the alternative energy transition in the United States, according to a new report from Rice University’s Baker Institute for Public Policy. The detailed report— Need Nickel? —Baker Institute report Need Nickel?
Under current policies, home energy storage systems would also often increase carbon emissions, according to a study by a team of researchers at the University of California San Diego published in the journal Environmental Science & Technology. The study modeled deployment across a wide range of regions, utilities and battery operation modes.
The results, published in a paper in the journal Energy Policy , reveal potential issues for grid operations with greater EV adoption and the importance of careful TOU rate design. Rapid integration of such a large number of EVs will inevitably cause uncertainty and variability on the operation of the existing electric power system.
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 ).
million electric vehicles—plug-in hybrid and battery-electric—will be needed by 2020 and 6.4 The study examines three different scenarios—Business as usual (BAU); Extended; and Stretch—based on low, medium and high levels of EV uptake. A newly released report by WWF-UK concludes that at least 1.7
H2@Scale in Texas and Beyond intends to show that renewable hydrogen can be a cost-effective fuel for multiple end-use applications, including fuel cell electric vehicles, when coupled with large, baseload consumers that use hydrogen for clean, reliable stationary power. —Nico Bouwkamp, Frontier Energy’s H2@Scale project manager.
Li-ion battery maker A123 Systems will supply a Grid Battery System (GBS) to Maui Electric Company (MECO), a utility serving residents and businesses on the islands of Maui, Lanai and Molokai in Hawaii. Maui Electric. and is expected to be operational in 2012.
In a paper in Nature , they suggest that the use of such redox-active organic molecules instead of redox-active metals represents a new and promising direction for realizing massive electrical energy storage at greatly reduced cost. You could theoretically put this on any node on the grid.
For example, a typical medium-sized family car will create around 24 tonnes of CO 2 during its life cycle, while an electric vehicle (EV) will produce around 18 tonnes over its life, the report said. A similar electric vehicle will have embedded production emissions of 8.8tCO 2 e, 43% of which arise from the battery.
The extended drought in California could cut the state’s summer electricity generation from hydropower nearly in half compared with normal precipitation conditions, according to an analysis by the US Energy Information Administration (EIA). Figure 2 data source: US Energy Information Administration, Electric Power Monthly.
According to a new study published by the ifo Institue Center for Economic Studies (CESifo) in Germany, EVs will barely help cut CO 2 emissions in the country over the coming years, as the introduction of electric vehicles does not necessarily lead to a reduction in CO 2 emissions from road traffic given the current power generation mix.
The US Department of Energy (DOE) has released a report detailing the findings from six utilities which evaluated operations and customer charging behaviors for in-home and public electric vehicle charging stations. Madison Gas and Electric (MGE). Participating utilities were: Burbank Water and Power (BWP). Duke Energy (Duke).
They also found that the total costs of ownership (TCO) of the electric and diesel trucks are similar. Over an array of possible conditions, the median TCO of electric trucks is 22% less than that of diesel trucks on the NYCC. However, the cost-competitiveness of the electric truck diminishes in drive cycles with higher average speed.
Audi A3 TCNG for e-gas project. Starting in 2013, Audi will begin series production of TCNG models whose engines—derived from TFSI units—will be powered by e-gas: synthetic methane produced via the methanation of hydrogen produced by electrolysis using renewable electricity. Click to enlarge.
The California Independent System Operator Corporation (ISO), California’s non-profit grid operator, released its new five-year (2012-2016) strategic plan. Between now and 2020, wind and solar generation will quadruple within the ISO transmission grid at the same time electric vehicle charging increases significantly.
The two companies have formed a joint working group to study and test the compatibility of industrial burners and other existing infrastructure already in operation with hydrogen. Blending hydrogen in the grid (up to a 10-20% mix) for building heating is another area of wide possible adoption that could take place in the short- to mid-term.
For electric and plug-in hybrid vehicles the carbon intensity of the power grid is also a key factor in terms of the vehicle’s full life cycle emissions. The Ricardo study focuses on providing insights into how life cycle CO 2 e emissions vary by vehicle segment and powertrain technology. Source: Ricardo, LowCVP.
SAE International has published the first global standard that specifies, in a single document, both the electric vehicle and supply equipment (EVSE) ground-system requirements for wireless charging of electric vehicles (EV). 250-mm) ground clearance have shown that WPT systems operate at grid-to-battery efficiencies of up to 94%.
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.
The technologies will initially support transitioning of existing fossil assets to low carbon energy systems, with the long-term potential to support a fully decarbonized electricitygrid by 2035. Gaston Electric Generating Plant in Wilsonville, Alabama. WE New Energy Inc.
The study project—which is 50% complete—is using ORNL’s Market Acceptance of Advanced Automotive Technologies (MA3T) discrete choice model, with the baseline calibrated to the US Energy Information Administration’s Annual Energy Outlook (AEO) 2011 reference case. Study of a fourth critical factor, consumer preference, is to come.
A new study by a team from UC Berkeley and Stanford University suggests that determining the optimal use of biomass to reduce greenhouse gas emissions—i.e, suggested that converting biomass into electricity for EVs abates more GHG emissions than does converting biomass into liquid fuels for use in today’s conventional vehicles.
One of the projects to be awarded grant funding is the “P2G BioMet” project, led by Hydrogenics, along with consortium members CNG Services, Electrochaea and National Grid. The Power-to-Gas via Biological Methanation system uses surplus renewable electricity to split apart water (electrolysis), releasing hydrogen and oxygen.
Full-fuel-cycle GHG emissions estimates for reformulated gasoline pathways by LCA study. Nominal value of 70 g CO 2 /MJ for combustion emissions is applied evenly across all studies. These include oil sands, enhanced oil recovery, coal-to-liquids and gas-to-liquids synthetic fuels, and oil shale. Credit: ACS, Brandt 2012.
A hydrogen exchange, similar to electricity and gas exchanges, could act as a catalyst for a market for climate-neutral hydrogen, according to an exploratory study, “A Hydrogen Exchange for the Climate”, presented to Eric Wiebes, the Netherlands Minister of Economic Affairs and Climate Policy.
During a keynote speech to the Transportation Research Board annual meeting Wednesday, National Transportation Safety Board (NTSB) Chair Jennifer Homendy questioned the safety impact of electric vehicles. The Ford F-150 Lightning is between 2,000 and 3,000 pounds heavier than the non-electric version. Pedestrians will also be at risk.
We organize all of the trending information in your field so you don't have to. Join 5,000+ users and stay up to date on the latest articles your peers are reading.
You know about us, now we want to get to know you!
Let's personalize your content
Let's get even more personalized
We recognize your account from another site in our network, please click 'Send Email' below to continue with verifying your account and setting a password.
Let's personalize your content