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Center for Energy: News of the Day
  1. Punching holes in opaque solar cells turns them transparent
    Researchers in Korea have found an effective and inexpensive strategy to transform solar cells from opaque to transparent. Existing transparent solar cells tend to have a reddish hue and lower efficiency, but by punching tiny holes on crystalline silicon wafers, it allows light through without coloring. The holes are then strategically spaced, so the human eye is unable to 'see' the pattern.

  2. Scientists convert plastics into useful chemicals using sunlight
    Chemists have discovered a method that could turn plastic waste into valuable chemicals by using sunlight.

  3. New method to remove dust on solar panels
    Particle removal increased from 41% on hydrophilic smooth Si wafers to 98% on superhydrophobic Si-based nanotextured surfaces. The researchers confirmed these results by measuring the adhesion of a micron-sized particle to the flat and nanotextured substrate using an atomic force microscope. They found that the adhesion in water is reduced by a factor of 30.

  4. As China rapidly adopts clean energy, use of traditional stoves persists
    Old habits are hard to break. A new study of replacement of traditional wood and coal burning stoves with clean energy in China suggests that, without a better understanding of the reasons behind people's reluctance to give up traditional stoves, it will be difficult for policies in China and elsewhere in the world to succeed in encouraging this shift towards clean energy.

  5. Global carbon emissions growth slows, but hits record high
    Coal use is down dramatically in the United States and the European Union, and renewable energy is gaining traction. But rising natural gas and oil use in 2019 increased the world's carbon dioxide emissions modestly for a third straight year.

  6. Daylight damage to photovoltaics
    A research team has investigated the ways sunlight can degrade the efficiency of newly developed organic photovoltaics over time. This work may assist in the wide commercialization of next-generation solar sheets.

  7. Carbon intensity of power sector down in 2019
    Engineers have compiled carbon emissions for the US electric power sector for the second quarter (Q2) of 2019 as part of the CMU Power Sector Carbon Index.

  8. Biodiversity and wind energy
    The location and operation of wind energy plants are often in direct conflict with the legal protection of endangered species. The almost unanimous opinion of experts from local and central government authorities, environmental NGOs and expert offices is that the current mechanisms for the protection of bats in wind power projects are insufficient.

  9. Big trucks, little emissions
    Researchers reveal a new integrated, cost-efficient way of converting ethanol for fuel blends that can reduce greenhouse gas emissions.

  10. New study analyzes viability of sustainable fuels
    New technology to convert ethanol into fuels suitable for aviation, shipping and other heavy-duty applications can be price-competitive with conventional fuels while retaining the sustainability benefits of bio-based ethanol, according to a new analysis.



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