A road vehicle comprising: a frame; four wheels (2, 3), which are mounted on the frame in a rotary manner; a body, which covers the frame; a compressor, which compresses air coming from the atmosphere and produces a compressed air; and at least one tank, which receives and stores the compressed air produced by the compressor and comprises a containing chamber, which is delimited by a wall; the road vehicle is characterized in that: the compressor receives the motion from a front axle or from a rear axle so as to be operated by the front wheels or by the rear wheels; the wall of the tank comprises: an inner panel, which directly delimits the containing chamber and is in contact with the compressed air; an outer panel, which completely surrounds the inner panel and is arranged parallel to the inner panel and at a constant distance (d) from the inner panel; and a plurality of connection elements, which extend between the inner panel and the outer panel so as to physically connect the two panels (14, 15) to one another without completely filling a gap, which is defined between the two panels (14, 15) and is isolated from the compressed air containing chamber; a cooling circuit is provided, which is coupled to the tank so as to cause a cooling fluid, which is separate from and independent of the air compressed by the compressor, to flow through the gap of the tank; the road vehicle further comprising a control unit configured to drive the cooling circuit so as to cause the cooling fluid to flow through the gap of the tank when the compressor feeds the compressed air into the containing chamber of the tank. a frame; four wheels (2, 3), which are mounted on the frame in a rotary manner; a body, which covers the frame; a compressor, which compresses air coming from the atmosphere and produces a compressed air; and at least one tank, which receives and stores the compressed air produced by the compressor and comprises a containing chamber, which is delimited by a wall; the road vehicle is characterized in that: the compressor receives the motion from a front axle or from a rear axle so as to be operated by the front wheels or by the rear wheels; the wall of the tank comprises: an inner panel, which directly delimits the containing chamber and is in contact with the compressed air; an outer panel, which completely surrounds the inner panel and is arranged parallel to the inner panel and at a constant distance (d) from the inner panel; and a plurality of connection elements, which extend between the inner panel and the outer panel so as to physically connect the two panels (14, 15) to one another without completely filling a gap, which is defined between the two panels (14, 15) and is isolated from the compressed air containing chamber; a cooling circuit is provided, which is coupled to the tank so as to cause a cooling fluid, which is separate from and independent of the air compressed by the compressor, to flow through the gap of the tank; the road vehicle further comprising a control unit configured to drive the cooling circuit so as to cause the cooling fluid to flow through the gap of the tank when the compressor feeds the compressed air into the containing chamber of the tank. the compressor receives the motion from a front axle or from a rear axle so as to be operated by the front wheels or by the rear wheels; the wall of the tank comprises: an inner panel, which directly delimits the containing chamber and is in contact with the compressed air; an outer panel, which completely surrounds the inner panel and is arranged parallel to the inner panel and at a constant distance (d) from the inner panel; and a plurality of connection elements, which extend between the inner panel and the outer panel so as to physically connect the two panels (14, 15) to one another without completely filling a gap, which is defined between the two panels (14, 15) and is isolated from the compressed air containing chamber; a cooling circuit is provided, which is coupled to the tank so as to cause a cooling fluid, which is separate from and independent of the air compressed by the compressor, to flow through the gap of the tank; the road vehicle further comprising a control unit configured to drive the cooling circuit so as to cause the cooling fluid to flow through the gap of the tank when the compressor feeds the compressed air into the containing chamber of the tank.