Every year, LLNL produces a new energy flow chart showing the sources of US energy, what it’s used for, and how much of it is wasted. If you’ve never seen it before, it’s a bit of a mind-blower.

The data is pulled from sources like the Department of Energy and the census. “This is really the first time that all of this data is brought together in one flow diagram, which is important if ...

Here's how the world's energy flow breaks down: Lawrence Livermore National Laboratory This chart is overwhelming at first, but not so bad once you look at it closely.

A type of battery invented by an Australian professor in the 1980s is being touted as the next big technology for grid energy storage. Here's how it works.