An interior view of what the Curitiba City Hall is calling the world's longest articulated bus, as it was presented to the press before going into service on the city's public transportation grid, in Curitiba April 5, 2011. The bus, made in Brazil by Volvo with a Neobus chassis, has a capacity of 250 passengers, is 28 meters (92 ft) long, 2.6 meters (8.5 ft) wide, and powered with biodiesel made from soybeans. [Photo/Agencies]