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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). Source: US EIA, US Energy-Related Carbon Dioxide Emissions , 2017.
Conventional thermal decomposition production of lime (left) versus STEP direct solar conversion of calcium carbonate to calcium oxide (right). The majority (about 60%) of those CO 2 emissions result from the production of lime. The majority of CO 2 emissions occurs during the decarbonation of limestone (CaCO 3 ) to lime (CaO).and
Researchers from the University of Michigan and McGill University in Canada report photochemical syngas synthesis using a core/shell Au@Cr 2 O 3 dual cocatalyst in coordination with multistacked InGaN/GaN nanowires (NWs) with the sole inputs of CO 2 , water, and solar light. This will significantly reduce overall CO 2 emissions.
Israel-based NewCO2Fuels (NCF), a subsidiary of GreenEarth Energy Limited in Australia, reported completion of stage 1 testing of its proof-of-concept system for the conversion of CO 2 into fuels using solar energy. This efficiency enables competitive end-product fuel prices while recycling CO 2 emissions.
In 2019 alone, Audi Hungaria saved more than 18,000 megawatt-hours of energy and avoided CO 2 emissions amounting to almost 5,750 tonnes by means of numerous efficiency measures. Since 2015 the company has made use of 250 gigawatt-hours of geothermal energy, reducing emissions of CO2 by 50,000 tonnes.
The CO 2 -free electricity from solar, wind and hydro sources is generated in various power plants, most of which are located in Germany. These include a part of a solar park with the size of 60 football pitches near Ingolstadt and 24 wind farms with a total of more than 200 wind turbines.
An alliance of industry, academic and government organizations has formed to commercialize technologies that will utilize concentrated solar energy to convert waste CO 2 into synthetic fuels. Sandia began working on research, development and demonstration of solar reforming technologies more than 20 years ago. Source: Sandia.
The SOLETAIR project ( earlier post ) has produced its first 200 liters of synthetic fuel from solar energy and the air’s carbon dioxide via Fischer-Tropsch synthesis. An electrolysis unit developed by Lappeenranta University of Technology (LUT) uses solar power to produce the required hydrogen.
Global energy-related carbon dioxide emissions rose by 6% in 2021 to 36.3 The rebound of global CO 2 emissions above pre-pandemic levels has largely been driven by China, where they increased by 750 million tonnes between 2019 and 2021. In 2021 alone, China’s CO 2 emissions rose above 11.9 billion tonnes. billion tonnes.
CO 2 per capita emissions from fossil fuel use and cement production from the top 5 emitting regions. Global emissions of CO 2 increased by 3% last year, according to the annual report “Trends in global CO 2 emissions”, released by the EC Joint Research Centre (JRC) and the Netherlands Environmental Assessment Agency (PBL).
Audi has set the goal of successively reducing vehicle-specific CO 2 emissions by 30% by 2025 compared with reference year 2015 and over the entire product lifecycle. In the long term, Audi is pursuing the vision of CO2-neutral mobility and aims to be climate-neutral throughout the company on balance by 2050. 97.9 - 111.9
The wireless device could be scaled up and used on energy farms similar to solar farms, producing clean fuel using sunlight and water. Harvesting solar energy to convert carbon dioxide into fuel is a promising way to reduce carbon emissions and transition away from fossil fuels. Qian Wang et al.
Dr. Stuart Licht ( earlier post ) at George Washington University is developing a solar-driven process that, he says, could efficiently replace current industrial processes for the production of certain energetic molecules such as hydrogen, metals and chlorine, which are responsible for a large component of anthropogenic CO 2. Licht, 2009.
Seeking to slash CO 2 emissions from its North American manufacturing operations, Honda has entered into long-term virtual power purchase agreements (VPPAs) for renewable wind and solar power that will cover more than 60% of the electricity that Honda uses in North America. will deliver to the grid by the end of 2020.
When powered by renewable solar or wind energy sources, the electrocatalytic CO 2 reduction reaction (CO 2 RR) is a promising approach to produce value-added chemicals/fuels and store renewable energy to achieve the goal of net-zero-emissions.
In addition to reducing carbon emissions, Yu believes this technology has the potential to generate clean energy in remote places or after natural disasters. In those areas, we can use this technology to capture CO2 from the air and then combine that with the hydrogen generated from solar energy in order to produce liquid fuel.
US energy-related CO 2 emissions declined by 2.8% CO 2 emissions had increased by 2.9% Because of continuing trends in how much energy the US economy uses and how much CO 2 that energy use generates, energy-related CO 2 emissions in 2019 fell more than energy consumption, which declined by 0.9%
reported reducing CO2emissions from global corporate activities in fiscal year 2013 while increasing vehicle production by 5.1%. Energy procurement is being shifted toward more sustainable sources, like biomass and solar power. Nissan Motor Co.,
Synhelion was founded in 2016 at ETH Zurich and is working on bringing solar fuels to the market. Synhelion uses solar heat to convert water and CO 2 into synthetic fuels. Further contents of the cooperation are to be worked out by the end of 2020. The CO 2 collectors selectively capture carbon dioxide in a two-step process.
The work, presented in a paper in Proceedings of the National Academy of Sciences (PNAS), offers a unique, highly efficient, and inexpensive route for solar fuels synthesis. The solar-powered catalyst is made from abundant materials and works in a configuration that could be mass-produced. 1 under air mass 1.5 —Zhou et al.
. … Initial scaling is efficiently applied to available concentrated, hot sources of CO 2 , such as eliminating the CO 2 emission from industrial smoke stacks and simultaneously forming valuable CNT wool. Larger scale C2CNT can be achieved through direct elimination of atmospheric CO 2 using solar heat and solar to electric PVs.
Landsvirkjun , The National Power Company of Iceland, and German investment company PCC SE have agreed to explore the possibility of capturing and utilizing carbon emissions from PCC’s silicon metal plant in northeast Iceland. Carbon emissions will be utilized to produce green methanol that can, for example, replace fossil fuel in ships.
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. TW of combined solar and wind capacity for the United States alone will be required.
The consortium will source green hydrogen generated exclusively from wind and solar energy from ENERTRAG. Sixty percent of the carbon emissions in the cement production process come from the chemical reaction that occurs in cement kilns. To reach carbon neutrality, these emissions must be captured, stored, or repurposed in some way.
An Israeli-Australian venture will use solar technology developed at Israel’s Weizmann Institute of Science to reduce carbon dioxide emissions from the burning of brown coal. which in 2011 acquired an exclusive worldwide license for the solar technology from Yeda, the Weizmann Institute’s technology transfer arm.
Despite the continued economic crisis, global emissions of carbon dioxide, the main greenhouse gas, have remained constant in 2009 as strong increases in CO 2 emissions from fast-growing developing countries such as China and India, have completely nullified CO 2 emission reductions in the industrialized world.
Joule has commissioned its first SunSprings demonstration plant in Hobbs, New Mexico ( earlier post ), where the company will prove its scalable platform for solar fuel production using a fraction of the land and capital investment required for algae-derived or agricultural biofuels. The initial output of the SunSprings plant will be ethanol.
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 and China jointly announced greenhouse gas (GHG) reduction targets. per year on average between 2020 and 2025.
DOE’s Advanced Manufacturing Office has selected seven projects in the HPC4Mfg program focused on the following topics: Reductions in CO 2 or CO 2 -equivalent emissions through electrification, improved carbon-capturing processes, and the integration of low-to-zero carbon fuels. and carbon emissions reduction of products of interest.
Life-cycle GHG emissions from fossil and alternative sources of electricity. This global climate change problem becomes manageable only if society deals quickly with emissions of carbon dioxide from burning coal in electric power plants, they state. Credit: ACS, Kharecha et al. Click to enlarge. Kharecha et al. Kharecha et al.
However, the report advises, long-term solutions to global challenges remain scarce; as one example, the report sees global CO 2 emissions rising by 20% to 37.2 Non-OECD countries account for a rising share of CO 2 emissions, but 2035 non-OECD per capita levels are only half of OECD. Gt by 2035. Source: IEA. Click to enlarge.
Solar and wind generation grew at double-digit pace, with solar alone increasing by 31%. As a result, global energy-related CO 2 emissions rose by 1.7% These findings are part of the International Energy Agency’s latest assessment of global energy consumption and energy-related CO 2 emissions for 2018.
gigatons of CO 2 : three times Germany’s carbon-dioxide emissions in 2016. If the climate targets set by the Paris conference are to be achieved, CO 2 emissions from traffic worldwide will have to be reduced 50% over the next four decades, and by at least 85% in the advanced economies, Bosch notes. Bottom: Fuel pathways. Source: Bosch.
Further, according to Rystad Energy, Big Oil is expected to pump in $166B into new oil and gas ventures over the next five years, thus dwarfing the currently specified outlay of just $18B (less than 10% of capex) for solar and wind energy projects. Good case in point: Italian multinational oil and gas giant Eni S.p.A.
In January 2011, one Swedish family undertook to take part in the “One Tonne Life” project—a six-month experiment to find out if they could reduce their carbon emissions from the national average of 7.3 Six months later, the Lindell family reduced their carbon emissions to the level of 1.5 Earlier post.)
Nissan Motor’s newly published annual Sustainability Report shows that the global automaker’s CO 2 emissions have fallen by 22.4% The power derived from the solar panels and wind turbines accounts for 7% of the plant’s total usage. over the past decade. CO 2 reduction at Nissan facilities improved by 0.6% year-on-year in FY2015.
At its first digital ESG (Environment, Social and Governance) Conference for investors and analysts, Mercedes-Benz announced aims to at least halve CO 2 emissions per passenger car over the lifecycle by the end of this decade compared to 2020 levels. Additional CO2 savings are expected to be achieved through further measures—i.e.,
Increasing the reflectivity or albedo of roofs and pavements in urban areas could offset greenhouse gas emissions by a significant amount, according to an open access paper published last month in the IOP journal Environmental Research Letters. —Menon et al.
The US Department of Transportation (DOT) is awarding $100 million in Economic Recovery Act funding to 43 transit agencies for projects to reduce energy consumption and greenhouse gas emissions from both vehicles and facilities. The Federal Transit Administration reviewed more than $2 billion in applications for these funds. Of that, $26.5
Synthetic fuel production from fuel-combustion-based energy and CO 2 (top) and from atmospheric CO 2 using solar electricity (bottom). That solar fuels offer the promise of solar energy storage—a key challenge in a world predominantly relying on renewables. Credit: ACS, van der Giesen et al. Click to enlarge.
Using solar photovoltaic energy at 10-20% efficiency, that would result in an overall 7-14% solar energy to liquid fuel efficiency, he said. Tags: Carbon Capture and Conversion (CCC) Climate Change Emissions Fuels Research. The core of the process is the solid oxide cell for co-electrolysis. Solid State Ionics In press.
The ideal futuristic scenario, Nagpal said, would be to have single-family homes and businesses pipe their CO 2 emissions directly to a nearby holding pond, where microbes would convert them to a bioplastic. We’re just getting started with the synthetic applications. —Prashant Nagpal.
Kreutz used two examples of CCTF systems in his analysis: biodiesel from microalgae and Sandia National Laboratory’s S2P process (an effort to utilize concentrated solar energy to convert waste CO 2 into synthetic fuels, earlier post ). Tags: Algae Algal Fuels Carbon Capture and Conversion (CCC) Emissions Lifecycle analysis.
In both the base-case and a scenario with more aggressive environmental policies, CO 2 emissions from energy use remain well above the IEA 450 scenario. However, both cases result in global CO 2 emissions well above the IEA 450 scenario—a back-cast which illustrates what is required to stabilize greenhouse gas concentrations at 450 ppm.
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