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BNEF: wind and solar boost cost-competitiveness versus fossil fuels

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This year has brought a significant shift in the generating cost comparison between renewable energy and fossil fuels, according to detailed analysis by technology and region, published this week by Bloomberg New Energy Finance. —Seb Henbest, head of Europe, Middle East and Africa at BNEF.

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MIT study finds shift to green energy sources could mean crunch in supply of key rare earth elements

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Comparison of demand projections for REE (total summed). The supply of any individual REE depends on the geology of the deposits, the costs of the extraction technology employed, and the price of the basket of rare earths (RE). Credit: ACS, Alonso et al. Click to enlarge. in the atmosphere at a level of 450 ppm.

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Siemens presents three-point plan for implementing cost-efficient energy transition in Germany

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Relying on a higher share of efficient, low-emission combined cycle power plants and wind energy could save €150 billion (US$200 billion) by 2030 while attaining the same CO 2 targets, Siemens says. However, the financial cost of the shift is causing concern. Electricity prices in comparison. Source: Siemens. Click to enlarge.

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GWU team demonstrates one-pot process for optimized synthesis of controlled CNTs from CO2; coupling cement and C2CNT

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This synthesis consumes only CO 2 and electricity, and is constrained only by the cost of electricity. Lower panel: The CNTs and CNFs provide high conductivity and superior carbon composite lightweight structural materials for jets, bridges, wind turbines, and electric vehicle bodies and batteries. Licht (2017). Click to enlarge.

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Must Read 40+ Electric Vehicle Interview Questions & Answers

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By integrating EVs with renewable energy generation, such as solar or wind power, it becomes possible to reduce reliance on non-renewable energy sources and create a more sustainable transportation ecosystem. The higher upfront costs made EVs less accessible and less attractive to a broader consumer base.

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Tunable high-yield catalytic approach converts pyrolysis oil to bio-hydrocarbon chemical feedstocks including fuel additives

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The cost of hydrogen—which varies widely depending on location, mode of production and supply, and natural gas prices—is important in determining how much hydroprocessing should be done before deoxygenation with the zeolite catalyst, the authors note. In comparison, increasing the H/C eff ratio of pyrolysis oil from 0 to 1.4

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Ninth annual Green Innovation Index finds California light-duty vehicle emissions spike; major challenge to 2030 climate goals

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While the%age increase in VMT was roughly in pace with population increase, as the cost of driving went down it appears some people abandoned public transportation for driving. The decade-long nationwide slide in emissions from power production reflects the electric power sector shifting away from coal and toward less carbon-intensive fuels.