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Driving the speed limit could save fuel and emissions at a cost of 54 seconds a day
A UK-led trial found that sticking to the speed limit saved drivers meaningful fuel and emissions, at a cost of 54 seconds per day. The finding lands in a political season where speed limiters are back on the table.

Wire provenance
This editorial synthesis draws on the following public wire/social posts:
- https://www.europarl.europa.eu/topics/en/article/20180703T2T2NT01/20180703T2T2NT01-intelligent-speed-assistance
- https://www.nhtsa.gov/vehicle/2026/07/speed-and-aggressive-driving
- https://en.wikipedia.org/wiki/Fuel_economy_in_automobiles
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