Engineering

New hybrid device can both capture and store solar energy

Researchers from the University of Houston have reported a new device that can both efficiently capture solar energy and store it until it is needed, offering promise for applications ranging from power generation to distillation ...

Energy & Green Tech

Wind, solar could replace coal power in Texas

Texas can be a model for the nation on how to effectively replace coal with wind and solar for the state's energy needs while meeting environmental goals, according to new research by Rice University engineers. 

Energy & Green Tech

Device generates light from the cold night sky

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.

Energy & Green Tech

Converting solar energy to electricity on demand

The researchers behind an energy system that makes it possible to capture solar energy, store it for up to 18 years and release it when and where it is needed have now taken the system a step further. After previously demonstrating ...

Energy & Green Tech

Fossil fuels blown away by wind in cost terms: study

New onshore wind and solar energy projects are set to deliver electricity more cheaply than fossil fuels plants, with other green technologies also rapidly gaining a cost advantage over dirty fuels, a report published Saturday ...

Energy & Green Tech

U.S. energy use rises to highest level ever

Americans used more energy in 2018 than in any other year, according to the most recent energy flow charts released by Lawrence Livermore National Laboratory (LLNL). Overall total energy consumption rose to 101.2 quadrillion ...

Energy & Green Tech

China investing heavily in two types of solar power

(Tech Xplore)—China has made it known to the world that it plans to move from coal-fired powered plants to those based on renewable resources as quickly as possible—the smog from coal plants and the huge amount of greenhouse ...

page 1 from 5