With the new EA211 1.0-l TGI, Volkswagen developed an economical, environmentally friendly and agile power unit for the Group brands. In this article the engineers describe its development and illustrate the structural design of CNG-specific elements.
INTRODUCTION
Volkswagen is expanding its engine portfolio and thus rounding off the bottom end of its line-up of efficient downsized power units. The flexibility of the EA211 engine range offers the best possible starting point for environmentally friendly CNG derivatives in all displacement classes. A new 1.0-l CNG engine with an output of 66 kW (90 hp) and 160 Nm of torque has been developed for use in the new modular transverse matrix (MQB)-A0 platform. Its first application will be in 2017 in the new Polo TGI.
The bivalent drive in the new Polo TGI offers customers the combination of running on either CNG or gasoline. The low fuel consumption (CO2 emissions of 87 g/ km NEDC) and the clean combustion of CNG enable environmentally friendly and cost-effective operation. However, if CNG should be unavailable, customers still have a fully-fledged, conventional TSI at their disposal. CNG is an important factor in Volkswagen’s powertrain strategy now and in future and, in combination with electric drives, can reduce CO2 emissions on a sustainable basis. The company also places particular emphasis on renewable, biogenic generation of the energy carrier.
VOLKSWAGEN’S CNG MODELS
Volkswagen has had CNG-powered models in its model range since 2006. The Group has been forging ahead with this technology in a number of different vehicle classes for the past ten years, with the everyday usability of those vehicles paramount. All concepts are thus based on a space saving configuration with underfloor tanks in the vehicle floor pan that do not impinge on interior space.
この記事は Auto Tech Review の October 2017 版に掲載されています。
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この記事は Auto Tech Review の October 2017 版に掲載されています。
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