A person uses a smartphone with the Uber application service am & # xe9; Rican car with driver (VTC), October 10, 2014 & # xE0, Singapore
A person uses a smartphone with the Uber application, American car service with driver (VTC), October 10, 2014 in Singapore – Roslan Rahman AFP

© 2014 AFP

The controversial American car service with driver (VTC) Uber could see its valuation climb to more than $ 30 billion in a new fund raising in preparation, said