Sept. 28, 2007 Hyundai, South Korea's top auto maker, may begin mass production of its fuel cell car model within five years, Reuters reports.

Hyundai unveiled "i-blue", the fuel cell CUV (crossover utility vehicle), at the Frankfurt International Motor Show earlier this month. Hear Allan Rushforth, vice president of Hyundai Motor Europe, discuss the new hydrogen-powered, zero-emission concept car here.

Global car makers such as Toyota and General Motors are developing environmentally friendly vehicles, under pressure to reduce harmful emissions produced by their cars amid fears of global warming.