Document ID: chunk:federal_register_of_legislation:F2024L00446:reg:10:p16
Version: federal_register_of_legislation:F2024L00446
Segment Type: reg
Provision Reference: reg 10 (pt 16/32)
Character Range: 1314249–1317412

(i-1) to (i), Ws;
                      is the driving force during time period (i-1) to (i), N;
                      is the distance travelled during time period (i-1) to (i), m.
              where:
                      is the driving force during time period (i-1) to (i), N;
                      is the target velocity at time ti, km/h;
                      is the test mass, kg;
                      is the acceleration during time period (i-1) to (i), m/s²;
                     , ,  are the road load coefficients for the test vehicle under consideration (, or ) in N, N/km/h and in N/(km/h)² respectively.
              where:
               is the distance travelled in time period (i-1) to (i), m;
               is the target velocity at time , km/h;
               is time, s.
              where:
               is the acceleration during time period (i-1) to (i), m/s²;
               is the target velocity at time , km/h;
               is time, s.
              6. Calculation of fuel consumption and fuel efficiency (as applicable)
              6.1. The fuel characteristics required for the calculation of fuel consumption values shall be taken from Annex B3.
              6.2. For Level 1A
              The fuel consumption values shall be calculated from the emissions of hydrocarbons, carbon monoxide, and carbon dioxide using the results of step 6 for criteria emissions and step 7 for CO2 of Table A7/1.
              For Level 1B

              The fuel efficiency values shall be calculated from the emissions of hydrocarbons, carbon monoxide, and carbon dioxide using the results of the step as specified in the input column of the relevant table of this annex or Annex B8.
              6.2.1. The general equation in paragraph 6.12. of this annex using H/C and O/C ratios shall be used for the calculation of fuel consumption.
              6.2.2. For all equations in paragraph 6. of this annex:
                  FC is the fuel consumption of a specific fuel, l/100 km (or m³ per 100 km in the case of natural gas or kg/100 km in the case of hydrogen);
                  H/C is the hydrogen to carbon ratio of a specific fuel CXHYOZ;
                  O/C is the oxygen to carbon ratio of a specific fuel CXHYOZ;
                  MWC is the molar mass of carbon (12.011 g/mol);
                  MWH is the molar mass of hydrogen (1.008 g/mol);
                  MWO is the molar mass of oxygen (15.999 g/mol);
                  ρfuel is the test fuel density, kg/l. For gaseous fuels, fuel density at 15 °C;
                  HC are the emissions of hydrocarbon, g/km;
                  CO are the emissions of carbon monoxide, g/km;
                  CO2 are the emissions of carbon dioxide, g/km;
                  H2O are the emissions of water, g/km;
                  H2 are the emissions of hydrogen, g/km;
                  p1 is the gas pressure in the fuel tank before the applicable test cycle, Pa;
                  p2 is the gas pressure in the fuel tank after the applicable test cycle, Pa;
                  T1 is the gas temperature in the fuel tank before the applicable test cycle, K;
                  T2