A tank assembly 20 is provided for use in an automotive vehicle. The tank assembly 20 comprises a tank body 22 comprising a first plastic material, support means for supporting the tank body upon the vehicle, and attachment means for attaching the support means to the vehicle. The support means includes a reinforced strap, 24,26 wherein at least of a portion of the reinforced strap is embedded within the tank body 22. Furthermore, a method of manufacturing a tank assembly 20 for a vehicle is provided. The method comprising the steps of providing a mould, providing a reinforced strap 24,26 within the mould, providing a body of a first plastic material within the mould, and subjecting the plastic body to a blow moulding process so as to create a tank body 22 substantially in the shape of the mould and so that the reinforced strap 24,26 becomes embedded or integrated within the tank body 22. There may be two straps 24,26 formed from reinforced polypropylene.
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