American Airlines and US Airways received federal approval to merge on Tuesday, creating the world's largest airline. American and US Airways will have to give up slots at popular airports, but it's not clear those concessions will be enough to keep the cost of flying from going up.
Greyhound bus crash: The bus crashed on I-75 Saturday while traveling from Cincinnati to Detroit, injuring 35 people but none seriously. The driver had been on duty for an hour and was fully rested, says Greyhound. Passengers say the driver slumped over the wheel.
US National Hurricane Center reports tropical storm Humberto is nearing hurricane speeds far out in the Atlantic, while tropical storm Gabrielle hit at Bermuda with wind, rain and rough surf late Tuesday.