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Autogas
is the term generally used for Liquefied Petroleum Gas (LPG), when
it is used for the propulsion of of road vehicles.
It
is obtained as a by-product of the distillation of oil from crude oil
and from “wet” North Sea Gas. It is produced in large quantites, a surplus
of approximately 4 million tonnes per annum is currently available form
the North Sea. This surplus is forecast to increase over the next 20 years.
When
it is pressurised it becomes a liquid and it is in that form that it is
pumped into your tank. Compared to petrol, Autogas has a higher octane
content (according to the RON method):
-
super grade petrol is rated at 98 octane
- Lead free petrol is rated at 95 octane
- Autogas (LPG) is rated at over 100 octane
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