This Chart Shows How Much Energy Is In Different Kinds Of Fuel
When we shove things into our vehicles and turn them from boring old liquids or tubs of chemical goop into sweet, sweet motion, we soon realize not all fuels are created equal. Why is it that a gasoline car, for example, can go so much farther than an electric? And why can nuclear subs go without refueling for decades? Specific energy is why.
Specific energy is how much energy is in a given amount of something. It’s sometimes referred to as energy density, which is a bit more self-explanatory but technically refers to volume, not mass. This infographic here uses a given unit of mass, a kilogram (2.2 lbs for us backward Americans) so sticklers may have issue with some of my labeling. Sorry.
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