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TSI engines from Volkswagen follow the tried and tested principle of downsizing. A reduction in engine capacity combined with supercharging is one of the most effective ways of saving fuel. One of the best things about this approach is that these engines have a high power output despite their comparatively small capacity. Indeed, until quite recently such high power outputs could only be achieved by much larger engines. Our TSI technology is synonymous with environmentally aware motoring – and is available on almost all our models, from the Polo and the Golf to the Touareg.

TSI engines from Volkswagen are available in a variety of size classes with power outputs ranging from 77 to 199 kW. The first TSI engine was the 1.4-litre Twincharger, with turbocharger and mechanical supercharger. The range now also includes turbocharged versions with displacements of 1.2 and 1.4 litres, 1.8 and 2.0 litres displacement. The next addition to the family, due to make its debut in the near future, will be a 1.0-litre power plant. TSI engines with displacements of less than a litre are also conceivable.

With our groundbreaking BlueMotionTechnologies we were quick to demonstrate that climate protection takes top priority for Volkswagen. The TSI engines and the DSG dual-clutch gearbox are just two examples of these technologies. Both have received our coveted Environmental Commendation and both help reduce fleet CO2 emissions without sacrificing comfort and convenience or performance.

A four-cylinder TSI can now replicate the power and torque figures of a larger normally-aspirated engine almost effortlessly – while keeping exhaust emissions and fuel consumption at a low level. This increased efficiency is by no means accidental: these smaller engines are more efficient because they weigh less, have lower friction losses and reach maximum efficiency more often.

This Environmental Commendation compares two of the current TSI petrol engines (1.4-litre with 90 kW and 1.2-litre with 77 kW) with their respective normally aspirated predecessors. The analysis focuses on the entire life cycle, broken down into three phases: production, service life and recycling.

As in the case of the vehicles assessed for Environmental Commendations, the TSI engines show in some cases significant improvements in all environmental impact categories. This is especially true in the areas of global warming potential (greenhouse effect), acidification and photochemical ozone (summer smog) creation potential. The effects in other areas, such as water and soil eutrophication and ozone depletion are less significant.

Further informations you´ll find here.