w = _.compact(reduced_Motor_vehicle_register.map( v=> {
if (v.GROSS_VEHICLE_MASS <= 4000 && v.GROSS_VEHICLE_MASS > 1000 ) return {
BODY_TYPE: v.BODY_TYPE,
CC_RATING: _.toNumber(v.CC_RATING),
GROSS_VEHICLE_MASS: _.toNumber(v.GROSS_VEHICLE_MASS),
MAKE: v.MAKE,
MODEL: v.MODEL,
MOTIVE_POWER: v.MOTIVE_POWER,
POWER_RATING: _.toNumber(v.POWER_RATING),
TRANSMISSION_TYPE: v.TRANSMISSION_TYPE,
VDAM_WEIGHT: _.toNumber(v.VDAM_WEIGHT),
VEHICLE_YEAR: new Date(_.toNumber(v.VEHICLE_YEAR), 0, 1)
}
v
}))