Atlanta airport prepares for busy Labor Day travel weekend

Atlanta's airport is expect more than 1.6 million passengers over Labor Day weekend with Friday as its busiest day. Travelers should expect delays and get to the airport at least 2 hours before your departure time.

Fleet of hydrogen passenger trains debuts in Germany

A fleet of hydrogen-powered passenger trains is replacing diesel trains that previously operated on nonelectrified tracks in Germany. The trains use hydrogen fuel cells to generate electricity, saving about 420,000 gallons of diesel fuel a year.