New WLTP rules for vans could potentially disincentivise fleets from adopting fuel-saving designs, says Arval UK. The WLTP data being used for converted and bodied chassis only take into account the frontal dimensions of the vehicle and do not include any streamlining measures fitted by body builders such as aerodynamic collars and bulkheads. The issue is likely to affect Luton and box bodies … [Read more...]