Automobile steering equipment 1 Cluster analysis 1 Control vehicles 1 Driving cycle 1 Duty cycle 1 Duty-cycle 1 Emission standard Hydraulic fluids 1 Hydraulic pressure 1 Hydraulic steering 1 K-means clustering 1 K-means clustering techniques 1 K-means technique 1 Principal component analysis 1 Principal-component analysis 1 Steering 1 Traffic infrastructure 1