President Clinton spoke about remembering the separation of the races on buses in the South when he was a boy.

VOA: special.2009.03.08

Why,he asks? Because,he says, advertising is everywhere -- online,on television, even outside on buses and billboards.

VOA: special.2010.06.04

There are ads on buses and billboards.

VOA: special.2010.06.04

Instead,visitors travel in small buses that take them to areas where they can walk on paths into the wild areas.

VOA: special.2009.04.15

Traditional buses that run on diesel fuel release harmful carbon dioxide and other pollutants.

VOA: special.2009.09.07

Buses take visitors to areas where they can go on paths into the wilderness.

VOA: special.2009.09.28

The women's group immediately called for all blacks in the city to refuse to ride on city buses on the day of Missus Parks's trial, Monday,December fifth.

VOA: special.2009.03.08

Most buses around the world run on diesel fuel.

VOA: special.2009.09.07

"If we can reduce some of the capacity on the tube network in the center of London and some of the buses, then that's a good thing."

VOA: standard.2010.07.30