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2/4SIGHT engine concept switches between 2 and 4 stroke operation

Until electric cars and their associated technologies (motors, batteries, controllers etc.) become mainstream, the internal combustion engine will need to be further refined in order to meet upcoming fuel economy requirements and current emissions regulations -- while still producing the power that consumers have come to expect. HCCI is one technology currently being developed to make these goals possible, while direct injection and turbocharging are simply becoming quite common. Ricardo has developed a new prototype engine called 2/4SIGHT ... Read more →

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