U.S. Study Shows Speeding Saves Seconds, Costs Millions in Fuel

A new analysis of 120 million vehicle trips across the United States found that speeding adds only about 54 seconds to a driver’s daily commute, while costing the nation tens of millions of dollars in fuel each day. Researchers estimated that driving at posted speed limits could save roughly $22‑$26 million, 6.7‑7.2 million gallons of gasoline and about 57,000 metric tonnes of CO₂ daily, an impact comparable to removing 5.5 million passenger vehicles from the road.

More than 43 % of the trips examined included at least one instance of speeding, accounting for nearly 12 % of total driving time above speed limits. The study highlighted regional variations, with higher speeding prevalence in Nevada, Florida, Georgia and North Carolina, and lower rates in Montana, Wyoming, Idaho and South Dakota. The findings come as gas prices remain elevated, emphasizing both economic and environmental benefits of adhering to speed limits.