• Oct 19th 2007 at 9:33AM
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Angstore Technologies, an Energtek subsidiary, has announced that they have completed tests for a scooter powered with natural gas. However, instead of Compressed Natural Gas (CNG), the fuel is stored using ANG (Adsorbed Natural Gas). The scooter is a converted version of one of the most popular vehicles in India.
You might wonder what's ANG. Energtek has a definition which gives us a hint: "Natural gas stored in a nanoporous material (usually carbon derived) at lower pressure than compressed natural gas. The advantage of ANG is that the fuel can be stored at a higher density." Please note that it's adsortion (not what a sponge does), which is "a process that occurs when a gas or liquid solute accumulates on the surface of a solid or, more rarely, a liquid (adsorbent), forming a molecular or atomic film (the adsorbate)."

Typical CNG tanks store gas at 200 bars, whereas ANG tanks keep it between 30 and 70 bars. This allows for a reduction in the cost of tanks and in the infrastructure costs of filling stations. A second important benefit is that it allows tanks to be built with different shapes, which translates into a greater adaptability for vehicles.

Energtek hopes to sell to Asian markets, where two and three wheel vehicles are predominant.

[Source: Energtek]

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