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Fuel-cycle SO 2 emissions of EVs compared to those of gasoline ICEVs and HEVs in China, current (left) and future (right). The study examined the fuel-cycle CO 2 , SO 2 , and NO x emissions of EVs in China in both current (2008) and future (2030) periods and compared them with those of conventional gasoline vehicles and gasoline hybrids.
Every so often, electric-car skeptics will attack the idea of using gridelectricity to power a car by bringing up coal. Yeah," the argument goes, "but you''re just burning coal instead of gasoline in your electric car--so how''s that any better?"
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).
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. Source: The ICCT.
A new study by Michael Wang and Jeongwoo Han at Argonne National Laboratory and Xiaomin Xie at Shanghai Jiao Tong University assesses the effects of carbon capture and storage (CCS) technology and cellulosic biomass and coal co-feeding in Fischer-Tropsch (FT) plants on energy use and greenhouse gas (GHG) emissions of FT diesel (FTD).
Electric vehicles charged in coal-heavy regions can create more human health and environmental damages from life cycle air emissions than gasoline vehicles, according to a new consequential life cycle analysis by researchers from Carnegie Mellon University. Source: Weis et al. Click to enlarge.
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. notes that those results assume that bioelectricity generation displaces gasoline. A 2009 life cycle analysis by Campbell et al. Earlier post.)
The life-cycle water consumption of fuel cell electric vehicles using hydrogen produced from natural gas with steam methane reforming is almost 50% less than the life-cycle water consumption of conventional internal combustion engine vehicles using gasoline, according to a study by researchers at Argonne National Laboratory (ANL).
At the Geneva Auto Show, the China-based Hybrid Kinetic group unveiled the H600 microturbine range-extended electric vehicle sedan concept, produced together with its vehicle design and engineering partner, Pininfarina. seconds; the electric motors deliver combined maximum power of more than 600 kW.
The Asian Development Bank (ADB) is providing $300 million towards a project that will replace 100,000 gasoline-burning tricycles in the Philippines with electric tricycles, or E-Trikes. E-Trike drivers saw their daily incomes more than double during a pilot program in Metro Manila.
The collapse in world oil prices in the second half of 2014 will have only a moderate impact on the fast-developing low-carbon transition in the world electricity system, according to research firm Bloomberg New Energy Finance. Earlier Bloomberg New Energy Finance analysis showed that, with gasoline at $2.09 on 30 June to $61.60
It adds an assessment of electrically chargeable vehicle configurations, such as plug-in hybrid, range extended, battery and fuel-cell electric vehicles. Broadly, the study found that ongoing developments in gasoline / diesel engine and vehicle technologies will continue to contribute to the reduction of energy use and GHG emissions.
note that the focus of their study was motivated in part by the unprecedented rise in popularity of electric two-wheelers in China. While conventional vehicle (CV) ownership and electricity consumption in China are both increasing rapidly—annual growth rates during the past decade were ? 90% is from coal. —Ji et al.
Estimates of potential for gasoline consumption reduction in the US light duty fleet in 2020 and 2035 relative to 2007. Developing technologies for the conversion of biomass and coal-to-liquid fuels. million barrels per day of gasoline-equivalent) with near-zero lifecycle CO 2. million barrels gasoline equivalent per day.
A new report from the National Research Council examines and, when possible, estimates, “hidden” costs of energy production and use—such as the damage air pollution imposes on human health—that are not reflected in market prices of coal, oil, other energy sources, or the electricity and gasoline produced from them.
The Ugly Coal sucks, there's really no two ways about it. But not all use of coal is alike. The Good About half our electricity comes from coal, and that will change, at best, slowly as we move to renewables. That includes the worst, most coal dependent areas.
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. All reference car configurations except the diesel use gasoline engines, because the.
Researchers from the University of Minnesota have produced a spatially and temporally explicit life cycle inventory (LCI) of air pollutants from gasoline, ethanol derived from corn grain, and ethanol from corn stover for the contiguous US (the lower 48 states). Emissions are represented in 12 km resolution grids. Click to enlarge.
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.
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.
Photo credit: Nick Starichenko / Shutterstock.com Contrary to common misconceptions , electric vehicles (EVs) generally have a smaller carbon footprint compared to traditional gasoline cars. This advantage remains true even when considering the electricity utilized for charging EVs.
Some water resources also flow up to energy resources (petroleum, biomass, natural gas, and coal). coal, natural gas, geothermal and nuclear) into electricity. Hydropower: The gravitational potential energy of water which fell as precipitation on elevated land is converted to electricity in hydroelectric turbines.
If CNG were to be eventually used in hybrids, the advantage of the electric generation/EV option shrinks. The authors compared these results to a range of fuel economies from an EV that was charged from electricity produced from the US mix and a range of natural gas turbines with varying efficiencies. —Curran et al. L/100 km).
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.
The IEA said that this reflects the continued domination of fossil fuels—particularly coal—in the energy mix and the slow uptake of other, lower-carbon supply technologies. Smart grids, for example, make it easier and cheaper to replace fossil-fired power with renewables without jeopardizing the reliability of the energy system.
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 For other areas, where PM2.5
Results from the study also suggest that with sufficient coal plant retirement and sufficient wind power, controlled charging could result in positive net benefits instead of negative. The question of electricity costs vs. health and environmental cost is important to ask everywhere, Michalek said. Credit: ACS, Weis et al.
Summary of WTW petroleum energy use and GHG emissions for combined CD and CS operations relative to baseline gasoline ICEV. 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.
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., Under some conditions, the battery electric Nissan LEAF can produce higher emissions than a Toyota Prius hybrid.
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.
The country’s electricity consumption in 2019 was nearly six times as great as in 1990. costs less than fossil-fuel-based electricity. While electricity from older coal plants in India costs 2.7 In 2021, about 73 percent of the country’s electricity was produced from coal, and only 9.6 IIT Madras.
The first—“ Electric Vehicle Benefits and Costs in the United States ”—shows that the benefits of vehicle electrification vary based on vehicle type; driving style; climate; how supplying electricity is generated; and time of charge. Further, drivers should not be encouraged to charge at night in coal-heavy regions.
In Germany, renewable electricity generation will be 35 percent by 2020, and 50 percent by 2050. Why then do we not have the same clarity of goal for the electricity generating industry here in the USA? The same can be said for the electricity companies that generate power in the USA. EIA projections of renewables penetration.
Methanol-powered vehicles are one pillar of Geely Auto’s diversified new-energy strategy, which also encompasses ethanol, CNG, gasoline-electric hybrid, plug-in hybrid, pure-electric, and extended-range solutions. Currently the company has a 4,000 metric ton/year production capacity.
Electricity costs are the highest in the US. High percentage of renewable energy resources, with accompanying challenges for grid stability. Based on what we know today ,” said Kissel, “ we believe that the cost of the fuel will be comparable to gasoline on a per mile driven basis. Hawaii Energy Challenges. TGC H 2 Production.
The results of a new, comprehensive modeling study characterizing light-duty electric drive vehicle (EDV) deployment in the US over 108 discrete scenarios do not demonstrate a clear and consistent trend toward lower system-wide emissions of CO 2 , SO 2 , and NO x as EDV deployment increases. decrease in total CO 2 in 2050.
Take care of that 20% with a small, efficient gasoline engine that runs at its optimum speed. However, 70% of vehicles can apparently be fueled with no increase of electrical capacity. The reduction in emissions results from electric operation being much more efficient than gasoline operation. 2) The U.S. 2) The U.S.
Full-fuel-cycle GHG emissions estimates for reformulated gasoline pathways by LCA study. These include oil sands, enhanced oil recovery, coal-to-liquids and gas-to-liquids synthetic fuels, and oil shale. Brandt notes a number of areas of uncertainties: Treatment of co-generated electric power. Credit: ACS, Brandt 2012.
In 2019, Amazon announced plans to obtain 100,000 electric delivery vehicles. UPS has ordered 10,000 of them and FedEx plans to be fully electric by 2040. The U-M researchers found that 50% to 80% of the lifetime emissions associated with an electric delivery vehicle’s battery occur during charging.
[The following is an article I wrote in Earth Island Journal last year to answer the question "Public Transit or Electric Car? " ] Greater support for mass transit and appropriate land use policies that make mass transit accessible are essential. There is, however, an alternative path: Electricity.
With emissions regulations encouraging automakers to pivot toward tiny engines and all-electric vehicles, some have likewise expressed a renewed interest in synthetic fuels. Oil imports evaporated and the need to produce fuels from bituminous coal became even more important for the war effort.
Water Supply, Researcher Says By Jennifer Bogo Popular Mechanics March 7, 2008 "A 30-mile commute in a gasoline-powered car would require the withdrawal of 18.9 The same commute in a plug-in hybrid electric vehicle (PHEV), meanwhile, would take a whopping 318 gallons. grid, then your car is not very clean, nor is it water-free.”
From two-wheeled scooters, a mainstay of urban mobility, and urban mass transit, to high-speed inter-urban rail, China will soon see the day most people move about most of the time on electricity. And three types of electric busses - legacy trolleys with catenary wires, battery busses, and super capacitor busses.
Planar Na-beta Batteries for Renewable Integration and Grid Applications. Eagle Picher, in partnership with the Pacific Northwest National Laboratory, will develop a new generation of high energy, low cost planar liquid sodium beta batteries for grid scale electrical power storage applications. Earlier post.) ENERGY STORAGE.
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