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Audi A4 Avant g-tron - Copyright Audi

Audi A4 Avant g-tron

After the Audi A3 Sportback g-tron, Audi is launching two more vehicles that run on natural gas: the A2 Avant g-tron and the Audi A4 Sportback g-tron will appear this year. Both models are equipped with a bivalent natural gas drive. This means that they can run on both natural gas and petrol. The engine in both models is a 5 TFSI with an output of 2.0 kW (125 hp) and a maximum torque of 170 Nm. This means that the consumption values ​​of 270 kg CNG and CO3,8 emissions of 2 g / km in natural gas mode are the same for both models.

In petrol mode, the consumption figures differ only insignificantly: the A5,6 g-tron consumes 100 liters / 126 km and 2 g CO5 / km; the A4 g-tron has a fuel consumption of 5,5 liters per 100 km and 126 g CO2 / km. The natural gas tank has a volume of 19 kilograms and gives the g-tron models a range of up to 500 km in the NEDC. With the additional petrol tank, which has a tank volume of 25 liters, the Audi g-tron can still cover a range of up to 450 km, which results in a total range of 950 km. If the CNG has a remaining quantity of around 0,6 kg, the control unit switches to fuel pressure - even immediately after refueling or when it is very cold, the bivalent natural gas vehicle initially starts in gasoline mode and switches to gas operation as quickly as possible.

Audi A4 Avant g-tron - Copyright Audi

Audi A4 Avant g-tron - Copyright Audi

The 4 natural gas tanks are located in the rear of both models and are protected against damage with special steel sheets. Thanks to the lightweight plastic and fiberglass construction developed by Audi, the gas tanks should weigh 50 percent less than conventional steel cylinders. The trunk volume is slightly impaired by the placement of the gas tanks and so the volume sinks from 505 liters in the gasoline engine to 415 liters; The spare wheel also has to give way to the tank. The driving experience and the sportiness of the two natural gas vehicles should not be impaired by the tanks. The acceleration of the Audi A4 Avant g-tron is as dynamic as that of a pure Audi gasoline engine: the g-tron needs 100 seconds from zero to 8,5 km / h and the top speed is reached at 223 km / h.

Prices

“Sporty, climate-friendly and economical - the new Audi A4 Avant g-tron and A5 Sportback g-tron fulfill all of these wishes. At the same time, they impress with their full suitability for everyday use. Their range is 950 kilometers, of which up to 500 kilometers in CNG mode. The price for the A4 Avant g-tron is 40.300 euros in Germany. The A5 Sportback g-tron is available from 40.800 euros. Audi presents the g-tron-Technology in September at the IAA in Frankfurt. “Source Audi press release from 17.08.2017/XNUMX/XNUMX

Natural gas production until 2026

The tax breaks for natural gas (CNG) and liquefied petroleum gas (LPG) should actually expire at the end of 2018. Owners of natural gas and LPG vehicles can now breathe a sigh of relief: The German Bundestag has decided to extend funding for liquid and gaseous natural gas until the end of 2026. LPG is also promoted with a reduced energy tax, but only until the end of 2022. The tax reduction for natural gas (liquid and gaseous) will continue as before until 2024; for the last two years, however, there will be a gradual decrease.
LPG users will have fewer and fewer tax advantages from 2019. Although it will continue to be tax-favored until the end of the funding period, the LPG tax will be adjusted to the normal tax rate. The LPG price is expected to rise by 2,94 cents per year until it reaches its price by 2023.

Addendum:

Sources and images: Audi

Article from the green car magazine issue IV / 2017. Subscription under:

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N. Hawthorn
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