If you fill up your vehicle with biomethane or e-gas, you can minimise your emissions even further, as biomethane is derived from residual plant matter, and e-gas from excess green energy (power to gas). Thanks in part to the innovative lambda split process, natural gas also burns extremely cleanly: the exhaust contains much less carbon monoxide and nitrogen oxide (NOX), resulting in minimal soot and fine dust. The reason for this is the low percentage of carbon in natural gas. The CO 2 emissions of a natural gas vehicle are much lower than those of a comparable vehicle with a conventional engine, as combustion of compressed natural gas (CNG) releases around 25 per cent less CO 2 than combustion of petrol. The tanks are made from carbon fibre-reinforced plastic (CFRP) or from metal. The three natural gas tanks have a combined volume of 115 litres, which corresponds to a total weight of 17.3 kilograms. In other words, the range with natural gas alone has increased by around 80 kilometres, enabling routes of up to 440 kilometres (based on WLTP) with natural gas alone. With the petrol tank reduced in size to 9 litres (for a Golf Variant TGI, that corresponds to a range of approximately 200 kilometres) and now serving merely as a backup, this is referred to as a quasi-monovalent drive concept. It delivers 96 kW (130 PS) and boasts a torque of 200 newton metres. Thanks to the TGI Miller combustion process and the variable turbine geometry (VTG) of the turbocharger, the Golf Variant TGI’s 1.5-litre four-cylinder petrol engine is even more efficient and responsive than its predecessor. This engine is primarily powered with compressed natural gas (CNG) – the petrol tank is smaller as a result and thus only serves as a backup. You’ll now also reach your destination faster, as the bonnet conceals an overhauled, powerful 1.5-litre four-cylinder engine with 96 kW (130 hp). At the same time, the additional tank increases the range in natural gas mode by up to 80 kilometres compared to its predecessor. And there’s no need to compromise on space either to accommodate the three tanks on-board, as the natural gas tanks are integrated as a space-saving underfloor solution. The new model now boasts three natural gas tanks – instead of just two as before – once again increasing the already long range of the CNG drives. Volkswagen’s natural gas strategy continues to gain ground: only recently available to order, the Polo TGI and Golf TGI are now joined by the Golf Variant TGI1) with eco-friendly natural gas engine. Polo TGI and Golf TGI available to order too.Powerful: 96 kW (130 hp) output provided by the new 1.5-litre TGI four-cylinder engine.Third natural gas tank for additional range of 80 kilometres.No need to compromise on space: Golf Variant TGI with space-saving natural gas tanks as integrated underfloor solution.
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