Data is Beautiful

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A place to share and discuss visual representations of data: Graphs, charts, maps, etc.

DataIsBeautiful is for visualizations that effectively convey information. Aesthetics are an important part of information visualization, but pretty pictures are not the sole aim of this subreddit.

A place to share and discuss visual representations of data: Graphs, charts, maps, etc.

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[OC] I dug a bit deeper into EV efficiency and it's more interesting (lemmy.world)

submitted 4 months ago by jaykrown@lemmy.world to c/dataisbeautiful@lemmy.world

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The 2025 EPA Automotive Trends Report

https://www.epa.gov/automotive-trends

EPA Fuel Economy Database

https://www.fueleconomy.gov/ and https://www.epa.gov/fueleconomy

IEA Global EV Outlook 2026

iea.org/reports/global-ev-outlook-2026

IEA Global EV Data Explorer

iea.org/data-and-statistics/data-tools/global-ev-data-explorer

So the reality is that range increases are due to battery capacity, which is not really "efficiency".

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[–] swicano@programming.dev 2 points 4 months ago* (last edited 4 months ago)

I was looking for a like-to-like comparison, but Noone really makes 24 kwh bevs anymore, so I had to compare the 2014 model S p85 (85 kwh) to the 2026 genesis gv60 (85 kwh) to see what the same size battery does. According to the link https://www.fueleconomy.gov/feg/Find.do?action=sbs&id=35994&id=49653&id=49654 the new genesis does significantly better despite weighing more and being larger, BUT almost all the gain comes from city driving. So the efficiency might actually be from just improving the regen algorithms

(Gv60 - 4900 lbs, ModS - 4650 lbs)

But it's also hard to know if the epa testing methodology changed, because articles from around 2014 claimed 265 mile epa range, but the site shows 242.

Edit: oh the 265 vs 242 is single vs dual motor, dual motor is the better comparison

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