Study says driving fast wastes fuel and doesn’t save much time
July 16, 2026 11:43 am, EDT Vehicles move on the highway in Cincinnati. (Joshua A. Bickel/AP/File) key takeaways: A University of Minnesota study found that obeying speed limits could save American drivers millions of dollars, 6.7 million gallons of fuel and 57,000 metric tons of CO2 per day. Researchers analyzed 120 million trips and found
