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 study based on a spatial and longitudinal travel dataset by a team from Lamar University, Iowa State University and Oak Ridge National Laboratory found that whether plug-in hybrids (PHEVs) have lower energy costs that conventional gasoline vehicles (CGVs) or hybrid-electric vehicles (HEVs) depends on charger coverage.
The federal subsidy significantly favors larger battery packs to a stronger degree than their potential for additional gasoline savings. A 2011 paper by Michalek and colleagues found that strategies to promote adoption of HEVs and PHEVs with small battery packs offer more social benefits (i.e., Peterson and Michalek 2012.
Their paper was presented at the ASME Internal Combustion Engine Division 2012 Fall Technical Conference by Marcello Canova, assistant professor at OSU; lead author was Philipp Skarke, from the University of Stuttgart Institute for Internal Combustion Engines and Automotive Engineering. The OSU EcoCAR PHEV powertrain. Skarke et al.
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 ).
Net emissions resulting from the use of plug-in hybrid electric vehicles (PHEVs) depend on the efficiency of the conventional vehicle fleet; PHEV CD (all-electric, charge-depleting mode) efficiency; charging strategy; battery pack capacity; driving patterns; and generator mix used for charging. Scott Peterson, J.
Researchers at the University of Waterloo (Canada), with a colleague in Sweden, have used a power management strategy greatly to extend the durability of onboard fuel cells in a plug-in hybrid electric vehicle: an increase of 1.8, Architecture of FC-PHEVs with three fuel cell stacks as considered in the Zhang et al.
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.
The 2011 Shell Eco-Marathon Americas—a challenge for high school, university, and college students from across North and South America to design vehicles to go the farthest distance using the least amount of energy—has expanded its categories to include plug-in electric vehicles (PHEVs).
One of SDG&E’s converted PHEVs. The third phase of a SDG&E multi-year in-use study on plug-in hybrid electric vehicles showed that plug-in hybrids offer significant improvements in gas mileage and reductions in emissions when compared with standard hybrid-electric and gasoline internal combustion engine (ICE) vehicles.
Researchers at Argonne National Laboratory, with colleagues from Lawrence Berkeley, Oak Ridge, and National Renewable Energy labs, and the University of Tennessee, have published a comprehensive analysis of the total cost of ownership (TCO) for 12 sizes of vehicles ranging from compact sedans up to Class 8 tractors with sleeper cabs.
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.
Researchers at Carnegie Mellon University (CMU) constructed an optimization model to determine the optimal vehicle design and allocation of conventional, hybrid, and plug-in hybrid vehicles to drivers in order to minimize life cycle cost, petroleum consumption, and GHG emissions. gal gasoline, $0.11/kW gal gasoline, $0.11/kW
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. For other areas, where PM2.5
WTW GHG emissions of vehicles across driving patterns and PHEV charging scenarios. Solid portions represent GHG emissions associated with gasoline propulsion. Patterned portions represent GHG emissions associated with electric propulsion. Solid left bar = hydro electricity scenario.) Credit: ACS, Raykin et al.
Strategies to promote adoption of hybrid electric vehicles (HEVs) and plug-in hybrid electric vehicles (PHEVs) with small battery packs offer more social benefits (i.e., In our base case, we assume average US values for emissions and damage valuation of electricity generation, oil refining, vehicle. Michalek et al.
In a paper being presented at WCX SAE World Congress Experience in Detroit this week, a team from MIT is proposing the use of a flex-fuel gasoline-alcohol engine approach for a series-hybrid powertrain for long-haul Class 8 trucks. We think that the way to enable the use of electricity in these vehicles is with a plug-in hybrid.
Fleet penetration of PHEV by 2020 in different scenarios. The first character of the scenario represents the price of gasoline at simulation termination, the second represents “yes” or “no” on a manufacturer subsidy, and the third represents “yes” or “no”on a sales tax exemption. Consumer response under a gasoline price shock.
A team of researchers from Carnegie Mellon University has analyzed the impact of plug-in hybrid electric vehicle (PHEV) battery pack size on fuel consumption, cost and greenhouse gas emissions over a range of charging frequencies (distance traveled between charges). Shiau et al. 2009) Click to enlarge.
The Axon Automotive PHEV. UK-based Axon Automotive, a spin-off from Cranfield University, previewed a pre-production plug-in hybrid electric vehicle (PHEV) version of its lightweight city car at the Milton Keynes Science Festival. The Axon 8080 gasoline city car was released at the 2008 Eden Car Show. mpg US, 2.8
China’s State Council has published a plan to develop the domestic energy-saving and new energy vehicle industry, which includes battery-electric vehicles, plug-in hybrid vehicles and fuel cell vehicles. China has made big progress in electric car technologies but still lags behind other countries in certain areas, said the report.
Direct land use, life cycle GHG emissions (excluding indirect land use change), and life cycle fossil fuel requirements to generate the transportation services provided by 17.8 × 10 12 MJ NCV of gasoline, the amount used in transportation in the US in 2009. Credit: ACS, Geyer et al. Click to enlarge.
At the CENEX Low Carbon Vehicle event in the UK, Jaguar Land Rover (JLR) is showcasing three Concept_e research demonstrators—a mild hybrid, plug-in hybrid, and battery-electric vehicle—including a new novel high performance, modular electric drive module (eDM) developed in-house by Jaguar Land Rover. Concept_e PHEV.
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 team assumed.
An new study from the Smith School of Enterprise and the Environment at Oxford University suggests that best way to reduce transport greenhouse gas (GHG) emissions in the short term is a “drastic downscaling of both size and weight” of conventional gasoline and diesel cars. ” “We should just use fuel cells.”
According to a new lifecycle analysis by a team at Carnegie Mellon University, a battery electric vehicle (BEV) powered with natural gas-based electricity achieves around an average 40% lifecycle greenhouse gas (GHG) emissions reduction when compared to a conventional gasoline vehicle. Earlier post.).
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.,
Honda Motor Company will introduce a battery-electric vehicle (BEV) and a new plug-in hybrid vehicle (PHEV) to the US market in 2012, said President & CEO Takanobu Ito in his mid-year address in Tokyo, Japan. BEV and PHEV demonstration programs will begin later this year in the US. Battery electric vehicle.
The all-electric range of the Prius Plug-In (23 km) will cover more than 50% of distances driven by single cars each day in Japan, according to Toyota. Gasoline-electric hybrid fuel efficiency. Gasoline-electric hybrid fuel efficiency. Electricity efficiency. Click to enlarge. Plug-in hybrid fuel efficiency.
A newly released University of Michigan study found widespread consumer interest in buying plug-in hybrid electric vehicles; however, the cost of the cars is much more influential than environmental and other non-economic factors as a predictor of purchase probabilities. Source: Curtin et al. 2009) Click to enlarge.
PHEVs and demonstration locations. The US Department of Energy (DOE), through its Advanced Vehicle Testing Activity ( AVTA ) at Idaho National Laboratory (INL), has completed 1 million miles of plug-in hybrid electric vehicle (PHEV) testing. PHEV Models Under AVTA Testing. Source: INL. Click to enlarge. Model Battery.
Total transportation fuel use in California broken down by subsector and fuel type for each scenario: business-as-usual (BAU); plug-in electric vehicles (PEVs); and combined PEVs and fuel cell vehicles (FCVs). Source: Yang et al. Click to enlarge. —Yang et al. Maximum fleet share for PEVs appears to be limited due to two factors.
A new analysis by Orkun Karabasoglu and Jeremy Michalek of the Carnegie Mellon Vehicle Electrification Group at Carnegie Mellon University found that driving conditions affect the economic and environmental benefits of electrified vehicles “ substantially ”. All-electric range (AER). Source: Karabasoglu and Michalek. Click to enlarge.
The National Electrical Manufacturers Association (NEMA) has released a report by Energetics Inc. The focus of the meeting was on plug-in vehicle batteries (plug-in hybrids [PHEVs] and battery-electric vehicles [BEVs]) and batteries for large and small stationary energy storage applications.
His body of work on on the underlying the theory and algorithms for this this extends back several years to his 2008 doctoral thesis at the University of Michigan (subsequently published as a book: Real-time, self-learning identification and stochastic optimal control of advanced powertrain systems ). Background. Malikopoulos, Andreas A.,
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. Lifecycle GHG emissions per km for different powertrain types (ICEV, LW-ICEV HEV, PHEV, and BEV) in selected counties.
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. Traut et al.
Projects to be funded include: Ultra Lightweight Gas Turbine Range Extender for Electric Vehicles. The aim of this project is to develop an ultra-lightweight, gas turbine powered, electric vehicle range extender that will enable vehicle weight savings of 100 kg or more and a modest reduction in CO 2 emissions on the UNECE101 drive cycle.
A US-wide county-level study comparing lifecycle greenhouse gas (GHG) emissions from several light-duty passenger gasoline and plug-in electric vehicles (PEVs) has found that PEVs can have larger or smaller carbon footprints than gasoline vehicles depending on regional factors and the specific vehicle models being compared.
Results from a study by a team from Carnegie Mellon University, Ford and Drexel University suggest that Chinese consumers are more receptive to adopting battery-electric vehicles (BEVs) than their American counterparts, regardless of subsidies. The study is published in the journal Transportation Research Part A.
There has never been a shortage of stories in the press denigrating plug-in electric cars. Because people naturally, logically believe electric cars are a good idea. It takes a sustained effort to sow confusion about the obvious benefits of electric cars. As electric cars seek a place in the market, expect more such stories.
Series-production plug-in hybrid electric vehicles equipped with diesel engines are already available in the market or planned for the future (e.g., This tendency of fuel blends to form precipitates during long term storage could impact the operation of diesel plug-in hybrid vehicles (PHEV). —Eskiner et al.
Projects include the development of new engines for plug-in hybrid versions of Nissan, Lotus and Jaguar Land Rover cars, a lightweight electric bin wagon, development of lightweight materials for vehicle weight reduction, and new technologies using thermal energy to improve vehicle performance. Lightweight Ultra Low Emissions Delivery Van.
New work by a team at Simon Fraser University (SFU) in Canada has found that more than one-third of Canadian buyers want a plug-in vehicle (PEV), with the majority of those (89—93%) wanting a plug-in hybrid rather than a pure electric vehicle. The latter report was published in Energy Economics. Source: “Electrifying Vehicles”.
After considering a wide range of possible strategies to reduce light-duty vehicle greenhouse gas emissions, a team from Carnegie Mellon University, RAND Corporation and the University of Toronto has concluded that no one strategy will be sufficient to meet GHG emissions reduction goals to avoid climate change. Click to enlarge.
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