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Audi’s e-gas plant. Audi has opened its e-gas plant in Werlte, making it the first automobile manufacturer to develop a chain of sustainable energy carriers. The Audi e-gas plant, which can convert 6MW of input power, utilizes renewable electricity for electrolysis to produce oxygen and hydrogen. Click to enlarge.
US electric power sector CO 2 emissions have declined 28% since 2005 because of slower electricity demand growth and changes in the mix of fuels used to generate electricity, according to the US Energy Information Administration (EIA). If electricity demand had continued to increase at the average rate from 1996 to 2005 (1.9%
Increased economic activity and a changing fuel mix in the electric power sector in 2021 will lead to a significant increase in energy-related carbon dioxide emissions this year, according to the US Energy Information Administration’s (EIA) August Short-Term Energy Outlook (STEO). billion metric tons this year. billion metric tons this year.
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.
Consumption measurements of the dual-fuel natural gas-diesel engine as a function of speed and load. Researchers at ETH Zürich have developed a light-duty hybrid electric vehicle featuring a dual-fuel natural gas-diesel engine. Source: Ott et al. Click to enlarge. The dual-fuel engine can also serve in a non-hybrid application.
This synthesis consumes only CO 2 and electricity, and is constrained only by the cost of electricity. unusually high electrical conductivity and Raman spectra of these materials demonstrated in the linked Data in Brief paper are that of multi-walled carbon nanotubes, and are due to the morphology as demonstrated by TEM.
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.
a Sumitomo Corporation Group company, jointly demonstrated a new waste heat recovery system based on a thermoelectric generator (TEG), which generates electrical power via exhaust gas heat. There were notable installation restrictions for the TEG unit, and the gas temperature at the exhaust inlet pipe could not reach the target value.
The recovery of energy demand in 2021 was compounded by adverse weather and energy market conditions—notably the spikes in natural gas prices—which led to more coal being burned despite renewable power generation registering its largest growth to date. CO 2 emissions from natural gas rebounded well above their 2019 levels to 7.5
In 2019, CO 2 emissions from petroleum fuels—nearly half of which are associated with motor gasoline consumption—fell by 0.8%, and CO 2 emissions from the use of natural gas increased by 3.3%. Nearly all of the change in CO 2 emissions in 2019 arose in the electric power sector.
Audi’s latest e-fuels project is participation in a a pilot plant project in Dresden that produces diesel fuel from water, CO 2 and green electricity. The sunfire plant, which operates according to the “power-to-liquid” (PtL) principle, requires carbon dioxide, water and electricity as raw materials. it can be used as a drop-in fuel.
In the Solar Thermal Electrochemical Process (STEP), developed by Professor Stuart Licht and his group at GWU, solar UV–visible energy is focused on a photovoltaic device that generates the electricity to drive the electrolysis, while concurrently the solar thermal energy is focused on a second system to generate heat for the electrolysis cell.
Researchers from Newcastle University in the UK have engineered Escherichia coli bacteria to capture carbon dioxide using hydrogen gas to convert it into formic acid. The bacteria grew under gas pressure and generated formic acid from the CO 2 , said Dr. Sargent. —principal investigator Frank Sargent.
Vertimass looks forward to feeding methanol made from carbon dioxide using renewable electricity by European Energy technology to our unique single-stage reactor to make hydrocarbons. The team completed an initial proof of concept laboratory research for coupling their technologies earlier this year. —Vertimass CEO Charles Wyman.
Volvo's CO2-footprint deep dive on its latest EV shows some takeaways for anyone going electric. And Kia shows a boxy electric SUV in its future. Kia has teased the Concept EV9, an electric SUV that’s due for an LA auto show reveal. Ford looks to AR to educate its F-150 Lightning reservation-holders.
Audi will introduce the compact A3 Sportback g-tron—which can be powered by the CO 2 -neutral Audi e-gas, synthetic methane generated from eco-electricity in the Audi e-gas project ( earlier post )—at the end of the year. The e-gas fuel will be produced in the power-to-gas plant in Werlte, Germany.
natural gas vehicle. natural gas vehicle, previewed in a concept form in 2011 ( earlier post ) and revealed in its production version at the Geneva auto show in March this year, in Europe. The natural gas version produces its 50 kW output at 6,200 rpm and reaches its maximum torque of 90 N·m (66 lb-ft) at 3,000 rpm.
Production of cement accounts for 5-6% of all anthropogenic CO 2 emissions, generating 9 kg of the greenhouse gas for each 10 kg of cement produced, notes Dr. Stuart Licht and his colleagues in a paper on their process accepted for publication in the RSC journal Chemical Communications. —Licht et al. used three.
Partners of the P2X Kopernikus project on the premises of Karlsruhe Institute of Technology (KIT) in Germany have demonstrated the production of fuel from air-captured CO2 using—for the first time—a container-based test facility integrating all four chemical process steps needed to implement a continuous process.
liter TFSI engine developing 81 kW (110 hp) can be operated using either natural gas, e-gas generated by Audi ( earlier post ) or gasoline. In pure e-gas mode, using the Audi e-gas fuel card, the g-tron is CO 2 -neutral, Audi says. kilograms of gas per 100 kilometers. Audi A3 g-tron. Click to enlarge.
The largest drop in emissions in 2012 came from coal, which is used almost exclusively for electricity generation. During 2012, particularly in the spring and early summer, low natural gas prices led to competition between natural gas- and coal-fired electric power generators.
The US and China jointly announced greenhouse gas (GHG) reduction targets. US President Barack Obama said the US will cut net greenhouse gas emissions in the US by 26-28% below 2005 levels by 2025. Together, the US and China account for more than one third of global greenhouse gas emissions.
The US Environmental Protection Agency (EPA) has released the 17 th annual US greenhouse gas (GHG) inventory. As the largest source of US greenhouse gas emissions, CO 2 from fossil fuel combustion has accounted for. When electricity-related emissions are distributed to economic end-use sectors, transportation activities accounted.
This article proposes a model that accounts for the modes in which aqueous gas depletion evolves over time and affects the long-term CO 2 electroreduction and the corresponding pH evolution near the electrode’s surface. pH is then suggested as an accurate and indirect means to measure CO 2 concentration in a liquid electrolyte. 1c02540.
BMW i Ventures has invested in Prometheus Fuels ( earlier post ), a company removing CO 2 from the air and turning it into zero-net carbon gasoline that it will sell at gas stations, at a price that competes with fossil fuels, starting as early as this year.
Researchers in The Netherlands are proposing a new method for harvesting electricity from CO 2 emissions. To harvest the mixing energy from CO 2 containing gas emissions, they propose using pairs of porous electrodes, one selective for anions and the other selective to cations. Credit: ACS, Hamelers et al. Click to enlarge.
The issue here is whether restructuring the Nation’s overall mix of electricity generation, to transition from 38% coal to 27% coal by 2030, can be the “best system of emission reduction” within the meaning of Section 111. Under our precedents, this is a major questions case. . … For the reasons given, the answer is no. New York v.
metric tons from 2010 to 2017—equivalent to greenhouse gas emissions from more than 728,000 passenger vehicles driven for one year. The company is continuing on its course of $11 billion to put 40 hybrid and fully electric vehicle models on the road by 2022. We are proud of the work we have done to achieve this goal.
Natural gas is the fastest-growing fossil fuel, as global supplies of tight gas, shale gas, and coalbed methane increase. The use of liquids declines in the other end-use sectors and for electric power generation. Electricity generation from nuclear power worldwide increases from 2.6
Natural gas accounts for the second-largest share of energy-related US CO 2 emissions, at 33% of the 2019 total. Compared with petroleum and coal, EIA expects a relatively smaller decline in natural gas consumption and its related CO 2 emissions (both 4% lower) in 2020.
Recent breakthroughs in separations and catalysis, along with long-trend reductions in solar and wind electricity costs, have significantly increased the potential for cost-competitive renewable fuels from direct air capture (DAC) of CO 2.
Converting CO 2 into a renewable energy sources would involve capturing the gas from the smokestacks of coal-fired electric power generating stations, for instance, and processing it with catalysts or other technology into fuels and raw materials for plastics and other products. ACS is the world’s largest scientific society.).
carbon monoxide evolving catalyst (Bi-CMEC) that can be used in conjunction with ionic liquids to convert CO 2 to carbon monoxide (CO) using electricity. gas shift to generate H 2 , and this CO/H 2 mixture (syngas) can be used to generate synthetic petroleum and liquid fuels using Fischer?Tropsch Tropsch methods.
The remainder is compensated by bio-gas certificates. The first is the switch to green power, which has taken place thanks to the commissioning of Europe’s biggest photovoltaic roof installation and the supply of electricity from renewable sources. Since the start of the year, the site in Gy?r r has used only green power.
In ammonia plants, hydrogen is generated by steam-methane reforming (SMR) and water-gas shift (WGS) and, subsequently, is purified for the high-pressure ammonia synthesis. Ammonia, produced via the Haber-Bosch (HB) process, is globally the leading chemical in energy consumption and carbon dioxide emissions.
A team of biologists and engineers modified Rhodopseudomonas palustris TIE-1 (TIE-1) so that it can produce a biofuel using only three renewable and naturally abundant source ingredients: carbon dioxide, solar panel-generated electricity and light. The results are reported in an open-access paper in the journal Communications Biology.
The US Environmental Protection Agency (EPA) has proposed Clean Air Act standards to reduce CO 2 emissions from fossil-fuel fired power plants (electric utility generating units, EGUs). The proposed rulemaking establishes separate standards for natural gas and coal plants.
The Middle East becomes the world’s second-largest gas consumer by 2020 and third-largest oil consumer by 2030, redefining its role in global energy markets. Nearly half of the net increase in electricity generation comes from renewables. billion people in the world without access to electricity and one-quarter of the 2.6
The strategy is centred around two main technology routes, as introduced in the first ArcelorMittal Europe climate action report published earlier this year: The use of hydrogen in DRI-EAF (Direct Reduced Iron - Electric Arc Furnace) and, also, the blast furnace. The expansion of its Smart Carbon route, also utilizing hydrogen.
In a pioneering move, both companies have therefore agreed to have 40% of the pre-consumer steel scrap of the volumes returned to H2 Green Steel's electric arc furnaces for re-cycling. The direct reduction reactors have been up and running for more than 50 years in places where natural gas can be procured cheaply.
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. Indeed, much of Big Oil's reduction in greenhouse gas (GHG) emissions leans on the so-called natural gas bridge.
This would tend to put upward pressure on electricity demand and related emissions. A carbon intensity decline in the electric power sector (-4.0%) which accounted for 40% of total U.S. and 3.2%, respectively) as these sectors rely heavily on electricity to meet their energy needs.
The necessary energy is supplied by electricity from renewable sources. In the electrolyzers, carbon dioxide and water are converted into carbon monoxide (CO) and hydrogen (H 2 ) with electricity in a first step. This synthesis gas is used by special microorganisms to produce specialty chemicals, initially for research purposes.
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.
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