VW using the Mk5 Jetta platform and going CNG!
"......the Concept A doesn't have either of these engines. It uses Volkswagen's new "twincharger" engine technology that combines the efforts of a supercharger and a turbocharger to maximize performance and efficiency. VW engineers have determined that this technology works particularly well on natural gas applications, so the Concept A has a 1.4-liter, CNG-powered four-cylinder good for about 148 horsepower...."
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