Nissan revolution: could new petrol engine make diesel obsolete?

Japanese automaker Nissan Motor Co has come up with a new type of gasoline engine it says may make some of today’s advanced diesel engines obsolete. The new engine uses variable compression technology, which Nissan engineers say allows it at any given moment to choose an optimal compression ratio for combustion – a key factor in the trade-off between power and efficiency in all gasoline-fuelled engines. The technology gives the new engine the performance of turbo-charged gasoline engines while matching the power and fuel economy of today’s diesel and hybrid powertrains – a level of performance and efficiency the conventional gasoline engine has so far struggled to achieve. The potential breakthrough technology comes at a time when diesel engine technology has been tarnished by Volkswagen’s ( VOWG_p.DE ) emissions cheating scandal. The German […]

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