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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.
A new study by a team from Environmental Health & Engineering (EH&E) has found that greenhouse gas emissions from corn ethanol are 46% lower than those from gasoline—a decrease in emissions from the estimated 39% done by previous modeling. EH&E) and Adjunct Professor of Environmental Health at Harvard’s T.H. gCO 2 e/MJ (range of 37.6
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.
Irizar has manufactured a liquid natural gas (LNG) i4 model coach with a range of more than 1000 kilometers (621 miles) for intercity or short distance routes. They have a gas capacity of 704 liters and they weigh 830 kg when completely full. They comply with regulation R66.02 greater and the complete system weighs less.
The Responsible Battery Coalition, in partnership with the University of Michigan Center for Sustainable Systems, launched a comprehensive research project to compare the total cost of ownership of gas and electric vehicles (EVs). Projections of future gasoline and electricity prices. Anticipated driving patterns.
LH2 Europe will use the abundant renewable electricity in Scotland to produce green hydrogen and market it at a competitive price with diesel. As a comparison, LNG tankers use ballast water to compensate the loss of weight following delivery to ensure enough draft. Vessel specifications. Length overall. Rule length. Draught design.
Yet, the lack of established process and business models defining “green steel” make it difficult to understand what the respective H 2 price has to be in order to be competitive with commercial state-of-the-art natural gas DRI. …
An analysis of near-term spending plans on renewables by the biggest oil and gas companies shows that real investments in renewable energy will continue to pale in comparison to capex plans for greenfield fossil fuel projects. Good case in point: Italian multinational oil and gas giant Eni S.p.A. 2 Total SA. 3 ENI SpA.
Through the nearby 300 MW solar park of Kassø, developed by European Energy, the project will have access to the low-cost renewable electricity needed to produce cost-effective e-Fuel. For comparison: This is more than five times the total electricity consumption of Germany.
A new total cost of ownership (TCO) study from the National Renewable Energy Laboratory (NREL) finds that battery-electric and fuel-cell electric commercial trucks could be economically competitive with conventional diesel trucks by 2025 in some operating scenarios.
Self Financial, a fintech company, has compared the running costs of electric and non-electric vehicles in each state. Across the US the average annual cost of running an electric vehicle is $2,721.96, while gasoline vehicles cost an average of $3,355.90 per year to run—a difference of $633.94
A recent PSI study led by environmental scientist Christian Bauer found that a battery electric car is already the most environmentally friendly option in Switzerland and many other countries, even when the manufacture of the battery is figured in. When, Where and How can battery-electric vehicles help reduce greenhouse gas emissions? (in
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.
Honda Fit EV Efficiency Comparison. Ford Focus Electric. The 92 kW (123 hp) coaxial electric motor generates 189 ft-lb of torque, and is teamed to a chassis with a fully-independent suspension and a driver-selectable 3-mode electric drive system adapted from the CR-Z Sport Hybrid. EPA Combined MPGe. EPA Combined kWh/100m.
Around 1,400 are battery-electric; 150 fuel cell; 50 overhead line; and 100 gas buses. However, the focus is on the switch to battery-electric and fuel-cell-based buses. The associated maintenance and charging infrastructure is also supported.
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.). Earlier post.).
Results of a lifecycle analysis by a team at the University of Michigan suggest that multiple types of natural gas-powered vehicles—i.e., Results of a lifecycle analysis by a team at the University of Michigan suggest that multiple types of natural gas-powered vehicles—i.e., —Dai and Lastoskie. Click to enlarge.
On this basis, and of Pareto efficiency, Emissions Analytics argues, until battery-electric vehicles can reach certain performance characteristics, government and industry support should switch immediately from EVs to full hybrids to create maximum welfare. times the maximum permissible tailpipe particle mass emissions.
GE Oil & Gas introduced the LNG In A Box system, a small-scale, plug-and-play, re-deployable liquefied natural gas (LNG) fueling solution based on proven technology that can help accelerate the use of natural gas as a cost-effective, cleaner transportation fuel.
Sandia National Laboratories researchers recently delivered electricity produced by a new power-generating system to the Sandia-Kirtland Air Force Base electrical grid. The system uses heated supercritical carbon dioxide instead of steam to generate electricity and is based on a closed-loop Brayton cycle.
This material will be used in the steelmaking process to offset other high-quality metallics that come with higher greenhouse gas emissions. The process developed by Electra produces Low-Temperature Iron (LTI) from commercial and low-grade ores using zero-carbon intermittent electricity.
The study found that TCO for electric and diesel medium-duty urban delivery trucks were similar. The electric truck is relatively more cost-effective on the NYCC and when VKT demand is higher. Cost-competitiveness of the electric truck diminishes in drive cycles with higher average speeds. Credit: ACS, Lee et al.
Ford’s Michigan Assembly Plant is starting production of the 2012 Focus Electric ( earlier post )—a five-passenger, battery-electric car Ford expects will achieve more than a 100 miles per gallon equivalent (MPGe) fuel economy rating. 1 gallon of gasoline=33.7 1 gallon of gasoline=33.7 Phoenix and Tucson, Ariz.; Portland, Ore.;
With the next-generation fuel cell system being co-developed with General Motors (GM), Honda will aim to more than double the durability and reduce the cost to one-third, in comparison to the fuel cell system installed in the 2019 Honda Clarity Fuel Cell. Construction machinery.
bp has successfully loaded the first LNG cargo from Mozambique’s offshore Coral Sul FLNG (floating liquefied natural gas) facility, the country’s first LNG project and first floating LNG facility deployed in the ultra-deep waters of the African continent. FLNG vessels are floating LNG production, storage and offloading units.
In comparison to hydrogen, liquefied ammonia makes it easier to transport large volumes to wherever it is needed. Kolb As part of the Spaltgas project , researchers at Fraunhofer IMM and their project partners are developing a combustion technology for this gas mixture that will be used in the brick firing process.
Electra has raised $85 million to produce Low-Temperature Iron (LTI) from commercial and low-grade ores using zero-carbon intermittent electricity. By comparison, 69% of steel today is made at approximately 1,600 degrees Celsius (2,912 degrees Fahrenheit) using coal, emitting about two tons of carbon dioxide for every ton of steel produced.
All large-scale energy systems have environmental impacts, and the ability to compare the impacts of renewable energy sources is an important step in planning a future without coal or gas power. Wind turbines generate electricity but also alter the atmospheric flow, explained first author Lee Miller. degrees Celsius.
Consumers who purchase an electric vehicle will find that lifetime costs to own the vehicle are competitive with conventional and hybrid vehicles, according to an analysis conducted by the Electric Power Research Institute (EPRI). —“Total Cost of Ownership for Current Plug-in Electric Vehicles”.
The Turbosteamer and Thermoelectric Generator (TEG) projects are focused on generating electric current from waste heat to improve overall engine efficiency, but each project follows a different approach and time frame. Research project Turbosteamer: comparison of the heat exchanger generation 1 (top) and generation 2 (bottom).
ITM Power, with its partners Mainova Aktiengesellschaft and NRM Netzdienste Rhein-Main GmbH, has injected hydrogen into the German gas distribution network from the Thüga Group’s power-to-gas demonstration plant. The electrolyzer supplies the hydrogen-methane mixture at the same pressure as the gas distribution network—3.5
Researchers at the Norwegian University of Science and Technology (NTNU) have compared the emissions resulting from the production, use, and end-of-life of electric and internal combustion engine vehicles (EVs and ICEVs) in a full life-cycle analysis (LCA). This has led to a general perception of EVs as an environmentally benign technology.
WTW energy demand and GHG emissions for EV and PHEV drivetrains for various electricity sources; gasoline ICE vehicle is solid square, hybrid the hollow square. First, it considers the performance of both mature and novel hydrogen production processes, multiple electricity generation pathways and several alternative drivetrains.
The Electrification Coalition released two case studies outlining how two cities— Houston, Texas and Loveland, Colorado —are saving money by using electric vehicles (EVs) in their vehicle fleets. In 2010, the city converted 15 Toyota Prius hybrids to plug-in hybrid electric vehicles (PHEVs). Earlier post.).
The 2020 edition of US Environmental Protection Agency’s (EPA) comprehensive annual report on nationwide greenhouse gas (GHG) emissions shows that emissions increased from 2017 to 2018 by 3.1% (after accounting for sequestration from the land sector). Source: EPA. >. through the uptake of carbon and storage in forests, vegetation and soils.
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?
Our test shows that as well as electric driving on renewable electricity, there are other concepts that permit long-distance, low-emission driving. Fuel specifications are not publicly available yet, nor are emissions results and comparisons. —Reiner Mangold, Head of Sustainable Product Development at Audi.
kg after capital amortization—incorporates efficiency improvements, cost reduction of its HGas platform and data provided by Hyundai for the ix35 fuel cell electric vehicle ( earlier post ). In addition to capital cost and electricity consumption, the analysis includes an indicative annual maintenance cost and utilization factor.
million US Department of Energy (DOE) grant to demonstrate a pre-production Renewable Natural Gas (RNG) hybrid 4,300 hp line-haul locomotive. In several weeks, OptiFuel will start taking orders, in 49 of the US states, for a new line of affordable 800 hp to 3,200 hp, 100% natural gas freight and transit locomotives. g/bhp-hr of PM.
The material’s selectivity for oxygenates, with ethanol as the major product, demonstrates the feasibility of a two-step conversion of CO 2 to liquid fuel that could be powered by renewable electricity, the team suggests in their paper published in the journal Nature.
The US Department of Energy (DOE) released the final report from its National Renewable Energy Laboratory (NREL) for a technology validation project that collected data from more than 180 fuel cell electric vehicles over six years (early 2005 through September 2011). These vehicles made more than 500,000 trips and traveled 3.6
.” Right away, I thought, “ugh… ” I conducted cost of ownership analyses and comparisons between gas cars and electric cars for years, and anyone who has done even one. continued] The post Conversations on Costs of EV Charging vs. Fueling a Gas Car Are Misleading appeared first on CleanTechnica.
This analysis compares the costs of usable energy when we buy gasoline and electricity for driving and natural gas for keeping warm. All-electric vehicles. One kWh of electricity corresponds to 3,412 Btu. The average residential cost of electricity in 2018 was $12.87 Natural-gas furnaces. per 100 kWh.
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