{"cars": [
 {
  "acceleration": 0.032,
  "reverseSpeed": 0.2,
  "id": "car_wood",
  "speed": 0.5,
  "fluids": [{
   "efficiency": 0.3,
   "fluid": "biodiesel"
  }]
 },
 {
  "acceleration": 0.032,
  "reverseSpeed": 0.2,
  "id": "car_big_wood",
  "speed": 0.48,
  "fluids": [{
   "efficiency": 0.2,
   "fluid": "biodiesel"
  }]
 },
 {
  "acceleration": 0.032,
  "reverseSpeed": 0.2,
  "id": "car_transporter",
  "speed": 0.4,
  "fluids": [{
   "efficiency": 0.3,
   "fluid": "biodiesel"
  }]
 },
 {
  "acceleration": 0.04,
  "reverseSpeed": 0.2,
  "id": "car_sport",
  "speed": 0.65,
  "fluids": [{
   "efficiency": 0.12,
   "fluid": "biodiesel"
  }]
 }
]}