Physics for Scania T, RS, VNL 670, Volvo FH2013 1.24

Physics for Scania T, RS, VNL 670 (v1.4.3), Volvo FH2013 (ohaha)
Update(31/07/16):
Changes:
– Added Volvo 2013 (ohaha), Volvo Vnl 1.4.3
– Other improvements to the acceleration and deceleration.
– Reworked buildup camera in the cabin.