Economical dual-fuel TSI concept from Volkswagen

March 5, 2008 In the quest for making the internal combustion engine go further on less fuel, we’ve seen many different combinations of normal and forced aspiration and alternative fuels, but this is a new take on combining the seemingly contradictory virtues of performance and economy. Volkswagen showed a new concept car in Geneva a few hours ago that uses both natural gas and petrol. That’s not new, but it’s the first time it has been combined with the VW TSI engine which uses both a supercharger and a turbocharger operating sequentially to provide high power (150 bhp), great economy, exceptional range and meet Euro 5 emission standards from a small capacity (1.4 liter) engine.

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