Related Forbes Story: https://www.forbes.com/sites/kbrauer/2024/09/12/the-toyota-prius-gets-93-mpg-setting-new-guinness-world-record/
Wayne Gerdes' CleanMPG Site: https://www.cleanmpg.com/community/index.php?portal/
The current Prius may be EPA-rated for a “lowly” 57 mpg, but it just completed a cross-country drive, from Los Angeles’ City Hall to New York’s City Hall, while averaging 93.1 MPG. That’s a 3,200-mile trip, so unlike a lot of fuel efficiency tests that take place over a few dozen or a few hundred miles, this one took place between two of America’s biggest cites, one on each cost. And yes, that’s a new fuel-efficiency world record, certified by Guinness.