Audi introduces new A4 Avant g-tron; Audi e-gas offered as standard
Green Car Congress
MARCH 7, 2017
US gal) gasoline tank, is fitted during production of the A4 Avant. The second layer, a composite winding of carbon fiber-reinforced polymer (CFRP) and glass fiber-reinforced polymer (GFRP), provides for maximum strength. Before being installed in a car, each tank is tested at 300 bar during production.
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