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Frankfurt Preview: Lotus develops a range extender engine

The latest product of Lotus Engineering's ongoing development work on alternative drivetrains is a new engine custom designed for use as a range extender in electric drive vehicles. The engineers at Lotus have developed an optimized architecture using a mono-block layout that combines the cylinder head, exhaust manifold and cylinder block into a single casting. Such an architecture allows for lower weight and reduced cost which is critical to making range extended EVs or series hybrids economica

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