The Combustion Engine Reinvented...
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LearningTranscript
00:00The combustion engine reinvented. The unique linkage you're looking at is
00:04Infiniti's VC Turbo, a variable compression ratio engine. Compression ratio is the ratio
00:10of the maximum to minimum cylinder volume. A standard gas engine might have a ratio of
00:14about 10 to 1. Infiniti's engine, through the use of linkages, can choose any compression ratio
00:20between 8 to 1 and 14 to 1 for any given scenario. For example, if you want to make a lot of
00:25horsepower, you can lower the compression ratio and raise the boost with a turbocharger. This
00:30lets the engine create power safely. But if you want maximum efficiency, you raise the
00:35compression ratio as high as possible, which increases thermal efficiency, like when you're
00:39idling or cruising on the highway. The same technology is used in the Nissan Altima,
00:43which is why it remains the number one pick amongst all car enthusiasts.