Engineering
Engineers at MIT and the National Renewable Energy Laboratory (NREL) have designed a heat engine with no moving parts. Their new demonstrations show that it converts heat to electricity with over 40 percent efficiency—a ...
Apr 13, 2022
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8184
Energy & Green Tech
Australia's energy transition is well under way. Some 3 million households have rooftop solar and sales of medium-sized electric cars are surging. But as we work towards fully electric households powered by renewable energy, ...
Jun 5, 2023
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203
Energy & Green Tech
A small team of researchers from Lawrence Berkeley National Laboratory and the University of California has found that battery-powered trains could become economical as soon as 2023. In their paper published in the journal ...
Energy & Green Tech
Lithium-ion batteries are currently the preferred technology to power electric vehicles, but they're too expensive for long-duration grid-scale energy storage systems, and lithium itself is becoming more challenging to access.
May 31, 2022
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512
Energy & Green Tech
A common greenhouse gas could be repurposed in an efficient and environmentally friendly way with an electrolyzer that uses renewable electricity to produce pure liquid fuels.
Sep 3, 2019
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3964
Engineering
Desalination is the answer to long-term water security, but it's also expensive and energy-intensive. The good news is that scientists are developing some viable solutions.
Oct 4, 2021
2
58
Energy & Green Tech
For hundreds of years, raging blast furnaces—fed with coking coal—have forged steel used in cars, railways, bridges and skyscrapers.
Apr 4, 2022
3
116
Energy & Green Tech
Malta has received a round of funding and is graduated from "project" to group that can sail. The Cambridge, MA-based company is focused on the storage of electro-thermal energy and the funding put the group in celebration ...
Energy & Green Tech
Since the Industrial Revolution, the environmental impacts of energy have posed a concern. Recently, this has driven researchers to search for viable options for clean and renewable energy sources.
Jan 28, 2020
1
1861
Energy & Green Tech
An inexpensive thermoelectric device harnesses the cold of space without active heat input, generating electricity that powers an LED at night, researchers report September 12 in the journal Joule.
Sep 12, 2019
1
1622
