Environmental & Social Report - Subaru
Environmental & Social Report - Subaru Environmental & Social Report - Subaru
Trends in Average Fuel Economy by Equivalent Inertia Weight Trends in Attainment Rates for Fiscal 2010 Fuel Economy Standards In an effort to meet the fi scal 2010 fuel economy standards, we achieved the target in three ranks out of the fi ve ranks of equivalent inertia weight for gasoline passenger cars. In gasoline mini-sized trucks, we succeeded in attaining the target in all the applicable ranks of the equivalent inertia weight. Trends in Average Fuel Economy by Equivalent Inertia Weight (Gasoline Passenger Cars) (km/l) Achieved targets are marked with ●. Achieved values in fiscal 2003 are in parentheses. 24 10-15 mode fuel economy 22 20 18 16 14 12 10 8 6 (km/l) 22 10-15 mode fuel economy 10-15 mode fuel economy 20 18 16 14 750 kg 875 kg 1000 kg 1500 kg 1750 kg 1250 kg (22.77) (18.57) (15.28) (12.63) (11.07) 21.2 18.8 17.9 16.0 13.0 10.5 ’96 ’97 ’98 ’99 ’00 ’01 ’02 ’03 Fuel economy standard values Trends in Average Fuel Economy by Equivalent Inertia Weight (Gasoline Mini-Sized MT Trucks) Achieved targets are marked with ●. Achieved values in fiscal 2003 are in parentheses. 750 kg structure A 750 kg structure B 875 kg structure A 875 kg structure B 1000 kg (22.00) (17.02) (16.87) 20.2 18.0 17.0 16.7 15.5 ’96 ’97 ’98 ’99 ’00 ’01 ’02 ’03 Fuel economy standard values Trends in Average Fuel Economy by Equivalent Inertia Weight (Gasoline Mini-Sized AT Trucks) (km/l) Achieved targets are marked with ●. Achieved values in fiscal 2003 are in parentheses. 22 20 18 16 14 750 kg structure A 875 kg structure A 875 kg structure B 1000 kg (21.50) (15.86) (15.72) 18.9 16.5 15.5 14.9 ’96 ’97 ’98 ’99 ’00 ’01 ’02 ’03 Fuel economy standard values Vehicle ratio Trends in Attainment Rates for Fiscal 2010 Fuel Economy Standards (Gasoline Passenger Cars) (%) 100 Vehicle ratio 10-15 mode fuel economy 80 60 40 20 0 (%) 100 80 60 40 20 0 7 32 46 62 70 73 ’98 ’99 ’00 ’01 ’02 ’03 Fiscal year Trends in Attainment Rates for Fiscal 2010 Fuel Economy Standards (Gasoline Mini-Sized Trucks) (km/l) 15 14 13 12 11 10 11 32 47 85 99 100 ’98 ’99 ’00 ’01 ’02 ’03 Fiscal year Fuel Economy of the New Legacy (AWD-AT IW = 1500 kg) 13.0 14.0 SOHC 2.0L 12.2 13.0 DOHC 2.0L Old Legacy 11.2 13.0 Turbo 2.0L 11.8 13.0 NA 2.5L New Legacy 11.0 11.6 NA 3.0L Trends in Fuel Economy of the Legacy Turbo AT (km/l) 14 10-15 mode fuel economy 13 12 11 10 9 8 1993 9.4 km/l 1996 10.2 km/l 1998 10.6 km/l 2003 13.0 km/l 2000 11.2 km/l ’94 ’96 ’98 ’00 ’02 Fiscal year
1 Environmental Report Development Phase/Products-Automotive Business Unit- Exhaust Emissions Substances emitted from automobiles, such as carbon monoxide (CO), hydrocarbon (HC), and nitrogen oxides (NOx), are one of the causes of air pollution in metropolitan areas where there is heavy motor traffi c. In order to improve air quality, Subaru is launching low emission vehicles (certifi ed by the Ministry of Land, Infrastructure and Transport) that meet higher standards than the regulation standards in the market one after another. Application Status of Low Emission Vehicles The 2.0L SOHC engine vehicle has reached the “ultra low emission” level for the fi rst time at Subaru by reviewing the catalyst layout in the new Legacy that has received a full model change in fi scal 2003. The “ultra low emission” level is 75% more stringent than the 2000 emissions standard. Additional models, the 2.5L SOHC vehicle and the 3.0L DOHC vehicle, also meet the “ultra low emission” level. The vehicles with other engines also meet the “good low emission” level, which is 25% more stringent than the 2000 standard. The new R2 minicars that are powered by naturally aspirated engines, also satisfy the “ultra low emission” level, which is 75% more stringent than the 2000 emissions standard, while the vehicle with a supercharger meets the “excellent low emission ” level, which is 50% more stringent than the 2000 emissions standard. The new Legacy, powered by the 2.0L SOHC engine (B4, Touring Wagon) and the 3.0L DOHC engine(Touring Wagon, Outback), and the R2, powered by the naturally aspirated engine, also meet the “U-LEV” level, that is 50% more stringent than the 2005 emissions standard. Exhaust Gas Measures for the New Legacy ¡ Optimized combustion chamber form with the fully improved cylinder head ¡ Upgraded air-fuel ratio control performance by adopting the electronically controlled throttle valve ¡ Adoption of the HC adsorbent catalyst (turbo and SOHC vehicles) Exhaust Gas Measures for the New R2 Minicar ¡ Optimized combustion chamber form with the fully improved cylinder head and control of uneven combustion among the cylinders ¡ Optimized combustion by adopting the Active Valve Control System (AVCS) ¡ Upgraded air-fuel ratio control performance by adopting the electronically controlled throttle valve ¡ Upgraded after treatment capability due to pared down walls and increased cells in the catalytic honeycomb ¡ Improved air-fuel ratio control performance by adding the O2 sensor to the downstream of the catalyst (adoption of the double O2 sensor system) Trends in Percentages of Low Emission Vehicles The low emission vehicles certifi cation system started in April 2000. The percentages of the Subaru brand low emission vehicles are as follows. Percentage of Low Emission Vehicles Percentage of Low Emission Vehicles Average NOx Trends in Percentages of Low Emission Vehicles on Gasoline Passenger Cars 50% reduction of 2005 standard emission and 75% reduction of 2000 standard emission 50% reduction of 2000 standard emission (%) 25% reduction of 2000 standard emission 100 87 95 98 80 60 40 20 0 40 ’00 ’01 ’02 ’03 Fiscal year Trends in Percentages of Low Emission Vehicles on Mini-Sized Gasoline Trucks (%) 50% reduction of 2000 standard emission 100 98 100 80 60 40 20 0 0 26 ’00 ’01 ’02 ’03 Fiscal year Trends in NOx Averages By putting more low emission vehicles into the market, Subaru has been able to reduce the average amount of NOx emitted by Subaru vehicles every year, as shown in the chart below. Trends in Average NOx Emissions of Subaru Vehicles (g/km) 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0.32 0.33 0.28 0.19 0.16 0.11 0.06 0.05 0 ’96 ’97 ’98 ’99 ’00 ’01 ’02 ’03 Fiscal year Notes: · The fi gures were calculated based on the regulation values and the standard values at the time of shipment. · From fi scal 2003, some of the models were calculated with the regulation values to conform to the new test mode. The new test mode is a combined mode in which the 10-15 mode and 11 mode are combined.
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Trends in Average Fuel Economy by Equivalent Inertia Weight<br />
Trends in Attainment Rates for Fiscal 2010 Fuel Economy Standards<br />
In an effort to meet the fi scal 2010 fuel economy standards, we achieved<br />
the target in three ranks out of the fi ve ranks of equivalent inertia weight for<br />
gasoline passenger cars. In gasoline mini-sized trucks, we succeeded in<br />
attaining the target in all the applicable ranks of the equivalent inertia weight.<br />
Trends in Average Fuel Economy by Equivalent Inertia Weight<br />
(Gasoline Passenger Cars)<br />
(km/l) Achieved targets are marked with ●. Achieved values in fiscal 2003 are in parentheses.<br />
24<br />
10-15 mode fuel economy<br />
22<br />
20<br />
18<br />
16<br />
14<br />
12<br />
10<br />
8<br />
6<br />
(km/l)<br />
22<br />
10-15 mode fuel economy<br />
10-15 mode fuel economy<br />
20<br />
18<br />
16<br />
14<br />
750 kg<br />
875 kg<br />
1000 kg<br />
1500 kg<br />
1750 kg<br />
1250 kg<br />
(22.77)<br />
(18.57)<br />
(15.28)<br />
(12.63)<br />
(11.07)<br />
21.2<br />
18.8<br />
17.9<br />
16.0<br />
13.0<br />
10.5<br />
’96 ’97 ’98 ’99 ’00 ’01 ’02 ’03 Fuel economy<br />
standard values<br />
Trends in Average Fuel Economy by Equivalent Inertia Weight<br />
(Gasoline Mini-Sized MT Trucks)<br />
Achieved targets are marked with ●. Achieved values in fiscal 2003 are in parentheses.<br />
750 kg structure A<br />
750 kg structure B<br />
875 kg structure A<br />
875 kg structure B<br />
1000 kg<br />
(22.00)<br />
(17.02)<br />
(16.87)<br />
20.2<br />
18.0<br />
17.0<br />
16.7<br />
15.5<br />
’96 ’97 ’98 ’99 ’00 ’01 ’02 ’03 Fuel economy<br />
standard values<br />
Trends in Average Fuel Economy by Equivalent Inertia Weight<br />
(Gasoline Mini-Sized AT Trucks)<br />
(km/l) Achieved targets are marked with ●. Achieved values in fiscal 2003 are in parentheses.<br />
22<br />
20<br />
18<br />
16<br />
14<br />
750 kg structure A<br />
875 kg structure A<br />
875 kg structure B<br />
1000 kg<br />
(21.50)<br />
(15.86)<br />
(15.72)<br />
18.9<br />
16.5<br />
15.5<br />
14.9<br />
’96 ’97 ’98 ’99 ’00 ’01 ’02 ’03 Fuel economy<br />
standard values<br />
Vehicle ratio<br />
Trends in Attainment Rates for Fiscal 2010 Fuel Economy Standards<br />
(Gasoline Passenger Cars)<br />
(%)<br />
100<br />
Vehicle ratio<br />
10-15 mode fuel economy<br />
80<br />
60<br />
40<br />
20<br />
0<br />
(%)<br />
100<br />
80<br />
60<br />
40<br />
20<br />
0<br />
7<br />
32<br />
46<br />
62<br />
70 73<br />
’98 ’99 ’00 ’01 ’02 ’03 Fiscal year<br />
Trends in Attainment Rates for Fiscal 2010 Fuel Economy Standards<br />
(Gasoline Mini-Sized Trucks)<br />
(km/l)<br />
15<br />
14<br />
13<br />
12<br />
11<br />
10<br />
11<br />
32<br />
47<br />
85<br />
99 100<br />
’98 ’99 ’00 ’01 ’02 ’03 Fiscal year<br />
Fuel Economy of the New Legacy (AWD-AT IW = 1500 kg)<br />
13.0<br />
14.0<br />
SOHC<br />
2.0L<br />
12.2<br />
13.0<br />
DOHC<br />
2.0L<br />
Old Legacy<br />
11.2<br />
13.0<br />
Turbo<br />
2.0L<br />
11.8<br />
13.0<br />
NA<br />
2.5L<br />
New Legacy<br />
11.0<br />
11.6<br />
NA<br />
3.0L<br />
Trends in Fuel Economy of the Legacy Turbo AT<br />
(km/l)<br />
14<br />
10-15 mode fuel economy<br />
13<br />
12<br />
11<br />
10<br />
9<br />
8<br />
1993<br />
9.4 km/l<br />
1996<br />
10.2 km/l<br />
1998<br />
10.6 km/l<br />
2003<br />
13.0 km/l<br />
2000<br />
11.2 km/l<br />
’94 ’96 ’98 ’00 ’02 Fiscal year
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