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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 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.
One of the common arguments you hear from people in America who are not fans of the idea of electric vehicles is that they are mostly charged from electricity produced from coal power plants. Heavy Coal Using States Accounted for Only 10% of EV Sales in 2020. The argument that EVs are powered mostly from coal simply isn’t true.
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., We find that, in the base case, plug-in vehicles (PHEVs and BEVs) may produce more damage on average than today’s HEVs. Michalek et al. are also substantial.
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. Results by battery chemistry and stage for PHEV batteries.
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. Mahdi Hajian.
Compared to an internal combustion vehicle fueled with gasoline, PHEVs that employed petroleum fuels (gasoline and diesel) offered a 40-60% reduction in petroleum energy use and a 30-60% reduction in GHG emissions. PHEVs fueled by E85 offered a 70-90% reduction in petroleum energy use and a 40-80% reduction in GHG emissions.
Developing technologies for the conversion of biomass and coal-to-liquid fuels. By 2035, cellulosic ethanol and/or coal-and-biomass-to-liquid (CBTL) fuels with carbon capture and storage could replace about 15% of current fuel consumption in the transportation sector (1.7–2.5 the power grid) are urgently needed.
The team compared the WTW results of the analysis of current vehicle WTW technologies to a number of advanced vehicle architectures including both a grid-independent HEV without plug-in capabilities and a PHEV (plug-in HEV) with a 20 mile (PHEV 20) and 40 mile (PHEV 40) all-electric range; a SI ICE, and a CNG engine.
This is especially important for assessing the GHG emissions of PHEVs. For battery EVs, the GHG emissions for “fuel/electricity” production are dominated by the coal and natural gas used in electricity generation. This study uses recent data on industrial-scale battery production and considers regional battery supply chains.
Compare GHG emissions and costs of PHEV and BPEV with those of regular cars. that gasoline engine-generators in SHEVs and PHEVs have the same efficiency relative to diesel. Building on the SHEV drivetrains, they assumed PHEVs with an electric range of 50 km (31 miles) and. TCO of future wheel motor PHEV may.
They also note that large-scale production of synthetic fuels or hydrogen from coal or gas offers the potential for GHG emissions reduction—but only if CO 2 can be captured and stored. High quality diesel fuel can be produced from natural gas (GTL) and coal (CTL). ICE-based vehicles and fuels.
Regional differences in climate, electric grid burdens, and driving patterns compound to produce significant regional heterogeneity in the GHG benefits of electrification. The results highlight the need for a portfolio of fuel efficient offerings to recognize the heterogeneity of regional climate, electric grid burdens, and driving patterns.
The same commute in a plug-in hybrid electric vehicle (PHEV), meanwhile, would take a whopping 318 gallons. But wait, aren’t PHEVs the environmentally friendly choice ? “If grid, then your car is not very clean, nor is it water-free.” If you’re a hybrid owner and are plugging your car into the standard U.S.
Jeremy Michalek accounted for regional differences in emissions due to marginal grid mix; ambient temperature; patterns of vehicle miles traveled (VMT); and driving conditions (city versus highway). Chevy Volt PHEV (EREV). Toyota Prius PHV PHEV (blended). —Yuksel et al. Yuksel et al. Click to enlarge. Toyota Prius HEV.
Among the findings of the survey: Approximately one-third (33.8%) of respondents felt the lack of investment to modernize the grid is a primary roadblock preventing the widespread support of EVs. 19% of those surveyed indicated the government should bear the primary burden of developing and funding an EV infrastructure or smart grid.
To achieve the best outcomes, the brief suggests, plug-in vehicle adoption should typically be focused on HEVs and PHEVs by city drivers in mild-climate regions with a clean electricity grid, such as San Francisco or Los Angeles. Further, drivers should not be encouraged to charge at night in coal-heavy regions.
O ften when I talk about Plug-Ins , I say that PHEV's are a perfect embodiment of the 80-20 rule. But in the case of the PHEV , the logic goes something like this: Roughly 80% of our daily trips are under 35 miles. Here's a piece of it: Why do PHEVs reduce greenhouse pollution ? And the remaining 20% are longer trips.
The DOE-QTR defines six key strategies: increase vehicle efficiency; electrification of the light duty fleet; deploy alternative fuels; increase building and industrial efficiency; modernize the electrical grid; and deploy clean electricity. DOE’s electrification strategy is focusing on light-duty vehicles. fleets).
Regionally specific lifecycle CO 2 emissions per mile traveled for plug-in hybrid electric vehicles (PHEVs) and battery electric vehicles (BEVs) in the US can vary widely based on grid emission factors (i.e., Continue to reduce the emissions intensity of the electricity grid. Among the findings were that: delayed charging (i.e.,
With the current fuel mix of the US power sector (about half coal, about 30% “carbon-free”), CO 2 emissions for HEVs and EVs are similar. The analogous progression for CO 2 emissions is less clear. —Deutch and Moniz. Deutch and Moniz note that manufacturing is key to achieving a commercially successful EV battery pack—i.e.,
High-temperature, high-strength, lower-cost permanent magnets (PMs) are needed for traction motors for HEVs and PHEVs. Phase III applications are sought, to further develop and specifically demonstrate a promising system concept for bio-fueled SOFCs in distributed generation applications, with potential commercial viability.
There are three reasons for this lack of observed effect, they concluded: (1) at present the overall share of emissions from the LDV sector is only 20% of US CO 2 emissions; (2) EDV charging can still produce comparable emissions to conventional vehicles depending on the grid mix; and (3) the effect of other sectors on emissions is significant.
For instance, electricity generated from coal or natural gas is associated with higher carbon emissions, while renewable sources like wind or solar energy contribute negligible carbon pollution. As more renewable energy sources are integrated into the power grid, the overall greenhouse gas emissions associated with EVs can be further reduced.
Researchers at DOE's Pacific Northwest National Laboratory also evaluated the impact of plug-in hybrid electric vehicles, or PHEVs , on foreign oil imports, the environment, electric utilities and the consumer. The study also looked at the impact on the environment of an all-out move to PHEVs.
The Partnership’s budget for electrochemical energy technologies has increased as the importance of PHEV battery development has increased. At present, about 75% of the funding is focused on near- and midterm development efforts directed at HEV and PHEV applications, and only 25% is directed to long-term R&D. Recommendation 4-4.
FCVs using hydrogen from biomass emit 90% fewer GHGs than current gasoline vehicles, and 63% fewer GHGs than a plug-in hybrid running on cellulosic ethanol, with charging based on the national grid mix. million miles in real-world testing, ARB staff noted. gallon of gasoline in today’s vehicles.
About CalCars Plug-In Hybrids FAQ How to Get a PHEV Where PHEVs are Car-Makers Say. We can achieve that -- today -- with a plug-in hybrid (PHEV). A PHEV is essentially a regular hybrid with an extension cord. But theyve needed definitive proof that PHEVs wont increase pollution. What Are Plug-In Hybrids?
A credit is also available for each qualified plug-in electric drive motor vehicle placed in service—qualified being a four-wheel, on-road vehicle equipped with a grid-chargeable battery pack of at least 4 kWh capacity. A 10% credit, up to a maximum of $4,000, for the cost of converting any motor vehicle into a qualified PHEV.
About CalCars Plug-In Hybrids FAQ How to Get a PHEV Where PHEVs are Car-Makers Say. What Are Plug-In Hybrids (PHEVs)? What do car companies say about PHEVs? Dont PHEVs just shift pollution from gasoline cars to power plants? But its monumentally less pollution , even on the national (half-coal) grid.
electric powered miles) on the ANL Study’s “PHEV and Ethanol” scenario, and the high electrification scenario (40% electric-powered miles) on the EPRI- NRDC Study’s High scenario with 95% electrified vehicles. A significant level of electrification is certainly viable for these vehicles, as BEVs and PHEVs are currently commercially available.
I even got him to buy a Tesla,” said Martinson, explaining that Hirt was an advisor and co-producer of the ARP film, Nation in Transition , an examination of the coal-to-renewables transition on the Navajo Nation and across northern Arizona. Paul Hirt, became a close friend. His answer was that no one was going to buy electric vehicles.”.
We all know the primary benefit of plug-in hybrid electric vehicles (PHEVs) becoming a mainstream alternative to conventional internal combustion engines is to cut vehicle emissions. At the moment 90 per cent of electricity in Alberta is produced through greenhouse gas emitting methods such as by burning coal or natural gas.
Vehicle to Grid is a really interesting area to do projects. The idea here is that you can connect your EV to the power grid and flow power from your EV to the Grid. An electric car acts as a load or micro-generating station for the grid. Advantages of V2G in grid perspective 2. Battery manufacturing etc.
2 Plug-in Hybrid Electric Vehicles (PHEVs): PHEVs combine an electric motor with an internal combustion engine. PHEVs can operate in electric mode for a certain distance before switching to the internal combustion engine or can combine both power sources for improved efficiency. #3 8 When was EV first made?
About CalCars Plug-In Hybrids FAQ How to Get a PHEV Where PHEVs are Carmakers Say. Our PRIUS+ Project Photos PHEV Resources Global Warming Take Action News and Events Contact Us How Carmakers are Responding to the Plug-In Hybrid Opportunity If you ask, "have major auto-makers come around on PHEVs?",
The PHEV (Plug-in Hybrid Electric Vehicle), a subset of the electric car, combines a primary electric motor with a much smaller back-up engine fueled with a hydrocarbon/biofuel mix. (In In this paper PHEV refers solely to the long-range PHEV of 60 miles (100 km) electric-only range.) It is much more than that.
OTC: GSPI) announced today that within the next four weeks it plans to publicly test its plug-in hybrid electric vehicle (PHEV). About Plug-In Hybrids The general public does not realize that the hybrid vehicles produced by the major auto companies today are not plug-in hybrid electric vehicles (PHEVs). energy independence.
If you charge up the Toyota Prius PHEV you would get 200 miles per gallon and 40 mile EV range; the same as the Volt. I kind of wonder that too since a PHEV should allow for an all electric range, then kick into a hybrid to get more energy savings for your buck. In addition, I recently told someone about Vehicle-to-Grid (V2G).
The introduction of electric vehicles on a large scale in the UK can only have a beneficial effect on CO 2 emissions if low-carbon electricity, universal broadband provision and smart grids are in place to support the transition, according to a new report published by the UK Royal Academy of Engineering.
The energy stored within hydrogen has been imparted from electrical energy through the electrolytic hydrogen production process or more likely in the refinement of fossil fuels such as coal seam (methane) gas – both are energy intensive processes in themselves. . The reasons are numerous. .
Renewables That Even Coal-Based Utilities Can Love. Millions will plug-in their electric vehicles (EV), plug-in hybrids (PHEV) and fuel cell vehicles (FCV) at night when electricity is cheap, then plug-in during the day when energy is expensive and sell those extra electrons at a profit. ► January (13) What Goes Down, Must Go Up?
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