Energy & Green Tech

More efficient, longer-lasting solid oxide fuel cells

Solid oxide fuel cells, or SOFCs, are devices that produce both electricity and heat by oxidizing a fuel such as natural gas or biogas. This energy-efficient, zero-emission technology has the potential to meet domestic and ...

Engineering

Engineering a better world using mirrors, sun and steam

Partha Dutta, a professor of electrical, computer, and systems engineering at Rensselaer Polytechnic Institute, envisions a not-so-distant future where even the most remote parts of the world would have access to clean and ...

Engineering

Sun-soaking device turns water into superheated steam

MIT engineers have built a device that soaks up enough heat from the sun to boil water and produce "superheated" steam hotter than 100 degrees Celsius, without any expensive optics.

Energy & Green Tech

Pine and poplar wood improve sunlight-driven water purification

Engineers at the University of Maryland have found that porous types of wood from trees like poplar and pine can greatly increase the efficiency of water-to-steam conversion under sunlight. The findings, published November ...

Energy & Green Tech

Running a power plant on carbon dioxide instead of steam

(Tech Xplore)—A team with NET Power is currently in the process of building a power plant in Texas that will use a form of carbon dioxide to turn turbines instead of using steam to make electricity. The plant will be the ...

Energy & Green Tech

May carbon dioxide turbine help address clean power generation?

(Tech Xplore)—"Desk size turbine could power a town"—wishful thinking turned into a headline? Not really. MIT Technology Review's header belongs to a report earlier this week by Senior Writer David Talbot.