Volkswagen has just presented a new edition of its Up! mini called "Eco", which features a modified version of the regular model's 1.0-liter three-cylinder petrol engine that can run on Compressed Natural Gas, or CNG for short.
CNG is a promising alternative fuel to gasoline that has caught up with many European consumers.
Among the many benefits of this fuel is that it has a higher energy content than petrol or diesel as 1.0 kg of natural gas is equivalent to 1.3 litres of diesel or 1.5 litres of petrol. According to VW, the energy content of 1.0 kg natural gas amounts to 11.69 kW, while the associated quantity of diesel yields 9.86 kWh and of petrol, 8.77 kWh.
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