accelerations 
Acceleration vector [m/s2]. 
active_cylinder_ratios 
Possible active cylinder ratios []. 
active_cylinders 

active_exhausted_gas_recirculations 

active_lean_burns 

active_variable_valves 

after_treatment_speeds_delta 

after_treatment_temperature_threshold 
Engine coolant temperature threshold when the after treatment system is warm [°C]. 
alternator_powers 
Alternator power [kW]. 
auxiliaries_power_loss 
Constant power loss due to engine auxiliaries [kW]. 
auxiliaries_power_losses 
Engine power losses due to engine auxiliaries [kW]. 
auxiliaries_torque_loss 
Constant torque loss due to engine auxiliaries [N*m]. 
auxiliaries_torque_loss_factors 
Constant torque loss factors due to engine auxiliaries [N/m2, N*m]. 
auxiliaries_torque_losses 
Engine torque losses due to engine auxiliaries [N*m]. 
belt_efficiency 
Belt efficiency []. 
belt_mean_efficiency 

brake_powers 

calibration_status 

clutch_tc_powers 
Clutch or torque converter power [kW]. 
clutch_tc_speeds_delta 

co2_emissions 
CO2 instantaneous emissions vector [CO2g/s]. 
co2_emissions_model 
CO2 emissions model (co2_emissions = models(params)). 
co2_normalization_references 
CO2 normalization references (e.g., engine loads) []. 
co2_params 
CO2 emission model parameters (a2, b2, a, b, c, l, l2, t, trg). 
co2_params_calibrated 
CO2 emission model parameters (a2, b2, a, b, c, l, l2, t, trg). 
co2_params_initial_guess 
Initial guess of co2 emission model params. 
co2_rescaling_scores 

engine_capacity 
Engine capacity [cm3]. 
engine_coolant_temperatures 
Engine coolant temperature vector [°C]. 
engine_fuel_lower_heating_value 
Fuel lower heating value [kJ/kg]. 
engine_has_cylinder_deactivation 
Does the engine have cylinder deactivation technology? 
engine_has_variable_valve_actuation 
Does the engine feature variable valve actuation? []. 
engine_heat_capacity 
Engine heat capacity [kg*J/K]. 
engine_idle_fuel_consumption 
Fuel consumption at hot idle engine speed [g/s]. 
engine_inertia_powers_losses 
Engine power losses due to inertia [kW]. 
engine_is_turbo 
If the engine is equipped with any kind of charging. 
engine_mass 
Engine mass [kg]. 
engine_max_power 
Engine nominal power [kW]. 
engine_max_speed 
Maximum allowed engine speed [RPM]. 
engine_max_torque 
Engine nominal torque [N*m]. 
engine_moment_inertia 
Engine moment of inertia [kg*m2]. 
engine_n_cylinders 
Number of engine cylinders []. 
engine_powers_out 
Engine power vector [kW]. 
engine_speed_at_max_power 
Engine speed at engine nominal power [RPM]. 
engine_speeds_out 
Engine speed [RPM]. 
engine_speeds_out_hot 
Engine speed at hot condition [RPM]. 
engine_stroke 
Engine stroke [mm]. 
engine_temperature_derivatives 
Derivative of the engine temperature [°C/s]. 
engine_temperature_regression_model 
Engine temperature regression engine_temperature_regression_model. 
engine_thermostat_temperature 
Engine thermostat temperature [°C]. 
engine_thermostat_temperature_window 
Thermostat engine temperature limits [°C]. 
engine_type 
Engine type (positive turbo, positive natural aspiration, compression). 
extended_phases_co2_emissions 
Extended CO2 emission of cycle phases [CO2g/km]. 
extended_phases_integration_times 
Extended cycle phases integration times [s]. 
fmep_model 
Engine FMEP model. 
fuel_carbon_content 
Fuel carbon content [CO2g/g]. 
fuel_consumptions 
The instantaneous fuel consumption vector [g/s]. 
fuel_map 
Fuel consumption map [RPM, kW, g/s]. 
fuel_type 
Fuel type (diesel, gasoline, LPG, NG, ethanol, methanol, biodiesel, propane). 
full_bmep_curve 
Vehicle full bmep curve. 
full_load_curve 
Vehicle full load curve. 
full_load_powers 
T1 map power vector [kW]. 
full_load_speeds 
T1 map speed vector [RPM]. 
full_load_torques 
T1 map torque vector [N*m]. 
gear_box_powers_out 
Gear box power out vector [kW]. 
gear_box_type 
Gear box type (manual or automatic or cvt). 
gross_engine_powers_out 
Gross engine power (prelosses) [kW]. 
has_exhausted_gas_recirculation 
Does the engine have exhaust gas recirculation technology? 
has_lean_burn 
Does the engine have lean burn technology? 
has_selective_catalytic_reduction 
Does the engine have selective catalytic reduction technology? 
has_sufficient_power 
The cycle’s percentage in which the vehicle has sufficient power [%]. 
identified_co2_emissions 
CO2 instantaneous emissions vector [CO2g/s]. 
idle_engine_speed 
Idle engine speed and its standard deviation [RPM]. 
idle_engine_speed_median 
Idle engine speed [RPM]. 
idle_engine_speed_std 
Standard deviation of idle engine speed [RPM]. 
ignition_type 
Engine ignition type (positive or compression). 
initial_engine_temperature 
Initial engine temperature [°C]. 
initial_friction_params 
Engine initial friction params l & l2 []. 
is_cycle_hot 
Is an hot cycle? 
is_hybrid 

max_available_engine_powers_out 
Maximum available engine power [kW]. 
max_engine_coolant_temperature 
Maximum engine coolant temperature [°C]. 
mean_piston_speeds 
Mean piston speed vector [m/s]. 
min_available_engine_powers_out 
Minimum available engine power [kW]. 
min_engine_on_speed 
Minimum engine speed to consider the engine to be on [RPM]. 
missing_powers 
Missing powers [kW]. 
motor_p0_powers 
Power at motor P0 [kW]. 
motor_p1_powers 
Power at motor P1 [kW]. 
motor_p2_planetary_powers 
Power at planetary motor P2 [kW]. 
obd_fuel_type_code 
OBD fuel type of the vehicle []. 
on_engine 
If the engine is on []. 
on_idle 
If the engine is on idle []. 
phases_co2_emissions 
CO2 emission of cycle phases [CO2g/km]. 
phases_distances 
Cycle phases distances [km]. 
phases_integration_times 
Cycle phases integration times [s]. 
stop_velocity 
Maximum velocity to consider the vehicle stopped [km/h]. 
times 
Time vector [s]. 
velocities 
Velocity vector [km/h]. 