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Rapid
technological developments are transforming the
LPG Autogas scene in Australia, allowing new
Autogas-powered models to challenge their
petrol-powered equivalents for performance and
fuel economy.
Over recent
years several new Autogas systems have been
developed which combine advanced electronic
management with various fuel injection
technologies. The developments have progressed
quickly from single point throttle body
injection through to multipoint port injection –
both in timed simultaneous injection and timed
sequential injection forms. These systems are
generally referred to as third and fourth
generation.
The most
advanced of these – the multipoint timed
sequential systems, fourth generation - are
functionally very similar to commonly used
petrol injection systems. Advantages include
quicker engine response, improved fuel
efficiency, lower emissions and the elimination
of damaging backfire.
Importantly
for manufacturers seeking to offer such systems
as original equipment the new technology allows
compatibility with the electronic control unit
(ECU) of the base petrol model, meaning no
interference with diagnostic or other functions
Autogas is a
cleaner-burning fuel than petrol. No fuel carbon
deposits are formed, resulting in less engine
wear, so engine life is actually extended.
Engine oil and spark plugs need changing less
often when running on Autogas, so service
intervals can be increased and maintenance costs
reduced.
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