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Please confirm whether this is indeed an electric turbocharger. I assume the electric part comes into the fray at the low end only, and the exhaust-driven turbo aspect would kick in at higher rpm using exhaust power; otherwise, it's an electric supercharger.

Reason for my inquiry is, I reported on 12-6-2011 that Valeo had purchased the supercharger business from a company called Controlled Power Technologies out of Britain late last fall; that had shown true electric supercharger technology. Point is, there is a distinct difference. The reasons for the tech were much the same, though: no lag at the low end, which would make it ideal for the super small engines like Ford EcoBoost 1.0L for example.

I make no attempt here to state which is better. Just want to understand the feature differences. Thanks.