Audi launches next-gen A4 with new Millerized TFSI engine; g-tron model w/ Audi e-gas
Green Car Congress
JUNE 29, 2015
The inner layer consists of a matrix of gas-proof polyamide, while a second layer of mixed carbon-fiber-reinforced plastic (CFRP) and glass-fiber-reinforced plastic (GFRP) ensures extremely high strength. The third layer made of glass fiber helps visualize any external influences. They can hold 19 kilograms (41.9
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