Here's how much energy Americans used last year

Get the Full StoryAP Photo Patrick Semansky

A quad is a massive unit used in measuring national energy consumption.

The transportation sector used 28.1 quads of energy last year, which is more than a quarter of total consumption.

About 68 of all consumption involved rejected energy, or energy that gets wasted through various inefficiencies.

Every year, the Lawrence Livermore National Laboratory, a federal research facility funded by the Department of Energy and UC Berkeley, puts out a fascinating Sankey diagram that shows the fate of all energy that gets generated and consumed in the United States in a given year.

Today’s visualization is the summary of energy consumption for 2017, but you can see previous years going all the way back to 2010 on their website.See the rest of the story at Business InsiderNOW WATCH: How a 9 billion startup deceived Silicon ValleySee Also:Trump's steel tariffs could hit the epicenter of the US oil industryHere's how immigration in the US has changed over the past 2 centuriesFreight costs are surging and transportation companies are gaining pricing powerSEE ALSO: More Americans are struggling to pay their credit cards, and what's holding them back is only getting worse

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