class vehicle

       class Vehicle {
               constructor(type, model, parts, fuel){
                this.type = type;
                this.model = model;
                this.parts=parts;
                this.parts.quality=this.parts.engine * this.parts.power;
                this.fuel=fuel;
               }
               drive (fuelLoss) {
                   this.fuel-=fuelLoss;
               }
           }