function calculate_Transit_Biomass(gas,grid) { return Growth_Data[0]['Transit']['Air_Growth']*Growth_Data[0]['Transit']['Aircraft_Biofuel']/100 +
Growth_Data[0]['Transit']['Sea_Growth'] * Growth_Data[0]['Transit']['Shipping_Biofuel']/100 +
((Inits[0]['Transit']['Biomass_Usage'] * Efficiencies[0]['Transit']['Biomass']/100)/
(Inits[0]['Transit']['Land_Transit_Work'] - (Inits[0]['Transit']['Grid_Usage'] * Efficiencies[0]['Transit']['Grid']/100) -
(Inits[0]['Transit']['Natural_Gas_Usage'] * Efficiencies[0]['Transit']['Natural_Gas']/100))) *
(Growth_Data[0]['Transit']['Land_Growth']-gas-grid)}