33const double M_PI2 = 3.14159265358979323846;
const double SECONDS_PER_HOUR
const std::string PHEM_DATA_VERSION
const double POWER_FC_INCREMENT
const double POWER_POLLUTANT_INCREMENT
const double AIR_DENSITY_CONST
const double SPEED_ROTATIONAL_INCREMENT
const double ZERO_SPEED_ACCURACY
const double SPEED_DCEL_MIN
const double DENSITY_GASOLINE
const double GRAVITY_CONST
const double DENSITY_DIESEL
const double NORMALIZING_ACCELARATION
const double NNORM_INCREMENT
const double NORMALIZING_SPEED