Mr Mallya's unlisted holding vehicles, which are hidden from view, may be struggling.
Instead, the focus shifted to pure-electric vehicles, which are technologically simpler than hybrids.
Line after line of expensive vehicles, which are now gathering dust rather than being sold.
uberX drivers transport passengers in their own personal vehicles, which are typically hybrids or other "mid-range" cars.
He said the automaker was working hard to improve the quality of its vehicles, which are all assembled in Britain.
There is no timetable for how long the vehicles, which are assisting in storm recovery, will be there.
The investigation covers an estimated 8,000 of the new sport utility vehicles, which are sold by Nissan's Infiniti division.
Passengers can travel either by ordinary rail coach or within their own motor vehicles, which are loaded onto special railcars.
But big vehicles, which are both more expensive to buy and costlier to run, are especially unpopular.
About half of the total comes from motor vehicles, which are not regulated by the air quality district.
"DaimlerChrysler owns 34percentt of Mitsubishi but its relationship specifically excludes commercial vehicles," which are covered by its Swedish rival.
