Business & Technology

Company wants to turn world’s biggest coal field into world’s biggest coal plant

A 250 mile long coal seam discovered deep in the interior desert of Australia's Northern Territory appears to be the most gigantic coal deposit on planet Earth, and Central Petroleum Limited wants to burn it …

Flow batteries store electricity in giant tanks of goop

Even if we do manage to set up a shiny futuristic renewable smart grid made of glitter and staffed by zebra unicorns, there are still going to be times when it poops out. Maybe the …

How rainforests can produce biofuel sustainably

Production of biofuel from palm oil has been an unmitigated disaster for the rainforest, leading to clear-cutting throughout Indonesia and propelling that country to the top ranks of the world's largest greenhouse gas emitters. That's …

How to build an open-source internet from household trash

If there's anything we learned from the revolutions in the Middle East, it's that the internet has become a critical tool for burgeoning democracies. So what to do in places where the internet is tightly …

Check out this solar-powered 3D printer

Yo dawg, I heard you like solar power, so I put some solar power in your 3D printer so you can solar power while you 3D print.

Critical List: ‘Irrational exuberance’ about shale gas; doubling fuel economy in the U.S

The New York Times obtained government documents that call natural gas companies' enthusiasm about shale gas and hydrofracking "irrational exuberance.” That exuberance has convinced some lawmakers, though. Nine of them are writing to President Obama …

Green Cars

Used fuel-efficient compact cars increase 30 percent in value

There may still be something tangible in your life gaining value: your used, fuel-efficient car.

World's first hybrid-electric plane is aeronautical equivalent of flying pig

Siemens just unveiled the world's first hybrid-electric aircraft, the DA36 E-Star. It uses an unique power train to do the seemingly impossible: take off and land on nothing but batteries.

Critical List: Oil prices drop; Soros invests in energy efficiency

Oil prices went down -- for about a minute, before they started climbing again -- after the International Energy Agency announced the release of emergency supplies. The Department of Energy is backing the $2.6 billion …