Audi to introduce natural gas A3 Sportback g-tron at year’s end; CO2-neutral e-gas
Green Car Congress
MARCH 1, 2013
The inner layer consists of gas-impermeable polyamide polymer, while a second layer of carbon fiber-reinforced polymer (CFRP) gives the tank its extremely high strength; a third layer of glass fiber reinforced polymer (GFRP) provides rugged protection against damage from the outside. lb) less than its conventional counterpart.
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