The U.S. is taking the first step toward requiring that commercial drivers and railroad workers be tested for a sleep disorder that causes drowsiness and has been linked to fatal wrecks.
The average temperature across the lower 48 states was 36.8 degrees Fahrenheit 4 degrees higher than the 20th-century average breaking the mark set in 1999-2000.
Automakers, facing stiff fines for lackluster recall completion rates, are going to new lengths to reach owners of the millions of cars with known safety defects that remain on the road.