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.
A post must be (or contain) a qualifying data visualization.
Directly link to the original source article of the visualization
Original source article doesn't mean the original source image. Link to the full page of the source article as a link-type submission.
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Originally r/DataisBeautiful
For all those who complained about it not starting at 0.
https://www.epa.gov/automotive-trends
https://www.epa.gov/fueleconomy
https://www.iea.org/reports/global-ev-outlook-2026/executive-summary
https://www.iea.org/data-and-statistics/data-tools/global-ev-data-explorer
https://www.iea.org/reports/global-ev-outlook-2026/electric-vehicle-batteries
Is the "range gain" due to bigger batteries or actual efficiency gains i.e. improved kWh/100km?
Mostly due to bigger batteries.
Efficiency gains are more limited than increase of battery size is.
Yes, but it is misleading to call it "efficiency". Efficiancy is kWh/km
You're right.
The only area in which I'd find the term effficiency with relation to battery size appropriate: "travel time efficiency".
With bigger batteries you need less stops to recharge (if any) for trips that require stops with a smaller battery.
But even that is a stretch.
If you pick the right car, charging speed gains are even more impressive.