From wikipedia:
Asia
CNG Radio Taxi in New Delhi, India
In Asian Economies such as India, CNG costs are at Rupees 18.90(USD
$0.46) per kg compared with Rs.50.00 (US$ 1.25) per liter of petrol.
The cost saving is immense along with reduced emissions and
environmentally friendlier cars.
CNG has grown into one of the major fuel sources used in car engines in Iran, Pakistan, Bangladesh and India. The use of CNG is mandated for the public transport system of India's capital New Delhi as well as for the city of Ahmedabad in the state of Gujarat. The Delhi Transport Corporation operates the world's largest fleet of CNG buses. The government of Punjab, Pakistan, the most populous province of that country, has mandated that all public-transport vehicles will use CNG by 2007.
Today many rickshaws as well as personal vehicles in India and
Bangladesh are being converted to CNG powered technology, the cost of
which is in the range of $800-$1000. In the Bangladesh capital of Dhaka
not a single auto rickshaw without CNG has been permitted since 2003.
As of July 2007 Pakistan is the largest user of CNG in Asia, and second
largest user in the world.[5]
According to the International Association for Natural Gas Vehicles, Pakistan has the second-largest number of natural gas vehicles.[5]
In the Middle East and Africa, Egypt is a top ten country in the world
with more than 63000 CNG vehicles and 95 fueling stations nationwide.
Egypt was also the first nation in Africa and the Middle East to open a
public CNG fueling station in January 1996.[6]
In Singapore
CNG is increasingly being used by public transport vehicles like buses
and taxis, as well as goods vehicles. However, according to Channel
NewsAsia on April 18, 2008, more owners of private cars in this country
are converting their petrol-driven vehicles to also run on CNG -
motivated no doubt by fiercely-escalating petrol prices these days.
The initial cost of converting a regular car to bi-fuel at the
German conversion workshop of C. Melchers-Galileo, for example, is
around S$4,000 (US$2,300); with the promise of real cost-savings
bi-fuel cars bring in the long term.
Singapore
currently has three operating filling stations for natural gas.
SembCorp Gas Pte Ltd runs the station on Jurong Island, and jointly
with Singapore Petroleum Company, the filling station at Jalan Buroh.
Both these stations are in the western part of the country. Another
station on the mainland is in Mandai Link to the north and is operated
by SMART Energy. SMART also plans a second station on Serangoon North
Ave 5 which will be set up the 2nd half of 2008; so will two more - at
Jalan Bukit Merah and Bedok in the central and eastern parts of the
country.
As a key incentive for using this eco-friendly fuel Singapore
has a Green Vehicle Rebate (GVR) for users of CNG technology. First
introduced in January 2001, the GVR grants a 40% discount on the Open
Market Value (OMV) cost of newly-registered green passenger vehicles.
