Pune: State transport minister Diwakar Raote has assured autorickshaw unions in the city that he will speak to Union minister for road transport and highways Nitin Gadkari about increasing the number of CNG outlets in the city.

Autorickshaw unions have repeatedly said that with few CNG supply stations in the city, drivers have to wait in queues for over three hours.

Raote had recently convened a meeting in the city to discuss and find solutions to problems related to public transport. Rickshaw Panchayat convener Nitin Pawar had submitted a memorandum to Raote during the meeting, highlighting various issues, including the inadequate number of CNG outlets in Pune and Pimpri Chinchwad.
Pawar pointed out that it has been nine years since use of LPG or CNG was made compulsory for autorickshaws. In Mumbai, the problem of CNG supply was solved within two years. However, in Pune, autorickshaw drivers have been facing severe hardships since 2006, Pawar said.

Earlier, autorickshaw drivers were asked to retrofit their vehicles with LPG kits. However, as the city had fewer than 10 LPG outlets, the drivers continued to face hardships. After 2008, when the city started getting CNG supply, autorickshaw drivers preferred to use CNG. Almost all the 49,000-odd autorickshaws have retrofitted their vehicles with CNG kits. Increasing number of cars, commercial vehicles and buses have now started to use CNG. As the number of CNG stations is low, vehicle users, especially autorickshaw drivers, have to wait in queues for over three hours for refills, Pawar said.

Raote said there has only been a marginal improvement in CNG supply in the city. "A sub-committee has recommended that CNG supply can be started in place of LPG at the fuel stations that had LPG outlets, as use of the latter is reducing. There is a need to increase the number of CNG outlets in the city, particularly in the central areas," the minister said.

Raote told Rickshaw Panchayat that he would speak to Gadkari and the officials concerned to sort out the issue.

He also assured the union that the government is actively considering the proposal to form a welfare board for autorickshaw and taxi drivers. The state transport department will look into the matter, he added.

(Source: The Times Of India)



In a milestone in adoption of green fuel in Indian Railways, the first CNG train has been launched on the Rewari-Rohtak section of Northern zone.

Dual fuel system
15 Jan, 2015

The Rewari-Rohtak-Rewari passenger train was launched for the convenience of the commuters in the region, a railway release said.

The DEMU train will run on dual fuel system - CNG and diesel - for six days-a-week (except Sunday).

Reduce greenhouse gas emission

Introduction of CNG train will reduce greenhouse gas emission by the Railways and also the consumption of diesel.

Modified 1,400 HP engine
Railways have modified the 1,400 HP engine to run on dual fuel - diesel and CNG - through fumigation technology.

Consumes over 20% of CNG
The Rewari passenger train will consume over 20% of the CNG, covering 81 km long distance in about two hours.

Railways had earlier conducted a trial run in the section

Two power cars

The train comprising of two power cars and six car coaches has been manufactured by Integral Coach Factory at Chennai with the CNG conversion kit being supplied by Cummins

Plans to run more such CNG trains

According to an official, there are plans to run more such CNG trains in due course to reduce diesel consumption.

Development of a CNG conversion technology which will permit utilisation of over 60% CNG is also underway, he said, adding 'switch over to LNG technology is also being planned as that will enable higher fuel carrying capacity.'

Another train launched

Besides Rewari-Rohtak, Prabhu also launched another passenger service between Rewari and Bikaner as announced in the Rail Budget 2014-15.


(Source: The Economic Times)



January 21, 2015. The National Gas Regulatory Authority (Enargas) reported that the year ended with 1.695.243 vehicles enabled. That growth was recorded in all provinces, except for the City of Buenos Aires and Rio Negro, who observed negative performances. In addition, the latest technology applied allows maximum performance of cars avoiding drawbacks such as that originated at the beginning, wrecking the myth that discouraged its use.

The province which added more conversions was Formosa, ending the year with 583% more units than when started. Misiones was another district that increased its fleet to CNG with 21%, followed by Corrientes with 10%..

Santa Cruz also expanded significantly conversions, with 22%, followed by Santiago del Estero with 16%, Córdoba 12%, Chaco 14%, Neuquén 19% and Jujuy 11%.

According to experts, the CNG conversion represents for a car with a family use to travel approximately 20.000 miles per year savings of 16.000 pesos (USD 1.857). With less than this time the equipment is amortized depending on whether third, fourth or fifth generation.

(Source: GNV Magazine)


Houston: Researchers have identified new materials that may be able to store compressed natural gas (CNG) at low pressure and at room temperature, paving the way for tanks that are lighter and fit cars better.

Researchers at Rice University focused on cage-like synthetic macromolecules called metal organic frameworks (MOFs).

MOFs are nanoscale compounds of metal ions or clusters known as secondary building units (SBUs) and organic binding ligands, or linkers.

These linkers hold the SBUs together in a spongy network that can capture and store methane molecules in a tank under pressure. As the pressure is relieved, the network releases the methane for use.
Since there are tens of thousands of possible MOFs, it's a daunting task to synthesise them for testing.
A team led by Rice bioengineer Michael Deem used a custom algorithm to not only quickly design new MOF configurations able to store compressed natural gas - methane - with a high "deliverable capacity," but ones that can be reliably synthesised from commercial precursor molecules.

The advantages to using MOF as a storage medium are many and start with increased capacity over the heavy, high-pressure cylinders in current use.

MOFs show potential for applications like drug delivery, sensing, purification and catalysis, but methane storage for transportation is high on the US Department of Energy (DOE)'s wish list, Deem said.
"MOFs are being commercialised for methane storage in vehicles now," he said.
The Rice study found 48 MOFs that beat the best currently available, a compound called MOF-5, by as much as 8 per cent.

The programme adhered to standard DOE conditions that an ideal MOF would store methane at 65 bar (atmospheric pressure at sea level is one bar) and release it at 5.8 bar, all at 24.9 degrees Celsius.
That pressure is significantly less than standard CNG tanks, and the temperature is far higher than liquid natural gas tanks that must be cooled to minus 162.2 degrees Celsius.

Lower pressures mean tanks can be lighter and made to fit cars better, Deem said.
Deem and his colleagues at Rice, the Lawrence Berkeley National Laboratory and the University of California-Berkeley reported their results in the American Chemical Society's Journal of Physical Chemistry C.  

(Source : Rice University)

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