Ethanol has largely fizzled here in the US. But in Brazil, people have been driving their cars for years powered only by sugarcane ethanol. In recent years though, ethanol in Brazil has hit a speed bump.
We're headed to the Andes for the Geo Quiz. We're looking for two countries on the South American continent where chewing coca leaves remains popular. It's been a cultural tradition of indigenous people in Andean countries for centuries.
Australia's Quantas Airlines has ditched its 17-year alliance with British Airways to partner with Emirates Airline. That means its twice-daily 'kangaroo route' from Sydney to London will stop in Dubai instead of Singapore.
There was a time when the US was an undisputed leader in cars. Classic American cars are often coveted around the world. Few places are as ga-ga about American automobiles as Sweden. Reporter Angela Bass has the story from RÃ¤ttvik.