Energy & Green Tech

Water vapor in the atmosphere may be prime renewable energy source

The search for renewable energy sources, which include wind, solar, hydroelectric dams, geothermal, and biomass, has preoccupied scientists and policymakers alike, due to their enormous potential in the fight against climate ...

Engineering

Researchers find solar photovoltaics benefits outweigh costs

Over the past decade, the cost of solar photovoltaic (PV) arrays has fallen rapidly. But at the same time, the value of PV power has declined in areas that have installed significant PV generating capacity. Operators of ...

Energy & Green Tech

Firebricks offer low-cost storage for carbon-free energy

Firebricks, designed to withstand high heat, have been part of our technological arsenal for at least three millennia, since the era of the Hittites. Now, a proposal from MIT researchers shows this ancient invention could ...

Energy & Green Tech

Targeted demand response reduces price volatility of electric grid

Demand response, a measure taken to reduce the energy load in response to supply constraints within the Texas electric grid, has been a topic of recent conversation after the wake of Winter Storm Uri just one year ago. Demand ...

Energy & Green Tech

Drought squeezes Brazil's electricity supply

Brazil's worst drought in almost a century is threatening electricity supply and critical crops, pushing up energy and food prices at a time the country was hoping to start recovering from the economic fallout of the coronavirus ...

Business

Tesla shares tumble as Musk says stock is overvalued

Irascible, outspoken Tesla chief Elon Musk went on another Twitter rant Friday, including saying the company's stock was overvalued, which sent the electric carmaker's shares tumbling.

Energy & Green Tech

Bitcoin price boom 'locking in' vast energy consumption

The cryptocurrency market has been abuzz as Bitcoin gains popularity with investors, reaching an all-time high of over $58,000 apiece in February. In a commentary published March 10 in the journal Joule, financial economist ...

Energy & Green Tech

To cool tomorrow's buildings, power sector must grow

Temperatures are rising. Eight of the warmest 10 recorded years of globally averaged temperature have occurred after 1998. Coupled with that increase is a growing demand for electricity to cool buildings. A new study published ...

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