// divide MAF by 100 because our function return MAF*100
  // but multiply by 100 for double digits precision
  // divide MAF by 14.7 air/fuel ratio to have g of fuel/s
  // divide by 730 (g/L at 15°C) according to Canadian Gov to have L/s
  // multiply by 3600 to get litre per hour
  // formula: (3600 * MAF) / (14.7 * 730 * VSS)
  // = maf*0.3355/vss L/km
  // mul by 100 to have L/100km
    // if maf is 0 it will just output 0
  if(vss<toggle_speed)
    cons=(maf*3355)/10000;  // L/h, do not use float so mul first then divide
  else
    cons=(maf*3355)/(vss*100); // L/100kmh, 100 comes from the /10000*100