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Volkswagen Group's new petrol engine is a revolutionary development

Snapshot: Volkswagen Group is working on a new petrol engine with variable compression ratio system

To make the future engines even more eco-friendly, Volkswagen Group is reported to be working on a new revolutionary petrol engine. In a recent Audi's annual press conference, Ulrich Hackenberg, company's technical chief said- engines with “electro-mechanical assistance for forced induction” and “variable compression ratios” were in development. Audi had already tested Electro-mechanic forced induction in 2012 on a V6 engine. The prototype engine was having two turbochargers, of which one spooled with the exhaust gases as conventional turbos while the second was spun by an electric motor to feed engine with more air at low RPM to result better acceleration from idle rpm- which is generally missing in a normal turbocharged engine. This technology is potentially strong to generate sufficient power out of low capacity units.

The most interesting bit of the new development would arguably be the variable compression ratio engine. Although, Hackenberg has not shared any word over the new engine working module but its likely to be similar to the SAAB's award-winning 'SVC' engine. The Swedish automaker, SAAB is the first who brought this hard-to-believe development in the real world. The company designed a 1.6-litre, 5-cylinder engine which could alter its compression ratio between the lowest 8:1 and high compression ratio of 14:1, depending on the driver's inputs. The engine was claimed to be 30 per cent more efficient compared to a conventional engine of same displacement. 

The company officials have also hinted the possibilities of introducing Coasting technology to significantly drop the fuel consumptions down. Technology and development are something that goes hand in hand. Forced induction engines, employment of KERS (Kinetic energy recovery system) and several other advancement like cylinder deactivation have already boosted the modern engines' performance while making them surprisingly fuel efficient which now seems to uplift to the next level with these new technological advancements.

 

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