Data Collection
The Yamaha Motor Group's environmental data for the past five years.
Contents
Sales of low carbon products

Item | Unit | 2017 | 2018 | 2019 | 2020 | 2021 |
---|---|---|---|---|---|---|
Number of fuel-injected motorcycles sold | K vehicles | 3,524 | 3,564 | 3,554 | 3,363 | 3,993 |
Number of motorcycles featuring a BLUE CORE engine sold | 2,538 | 2,800 | 2,901 | 2,245 | 3,184 | |
Number of electrically power assisted bicycles sold (including number of drive units) | 489 | 569 | 648 | 670 | 821 |
Global energy consumption

Energy consumption by region
Area | Unit | 2017 | 2018 | 2019 | 2020 | 2021 |
---|---|---|---|---|---|---|
Asia | GJ | 4,589,429 | 4,372,462 | 4,643,304 | 3,552,887 | 4,101,753 |
Europe | 291,754 | 276,040 | 314,128 | 270,287 | 264,028 | |
North America | 884,450 | 874,540 | 927,928 | 849,549 | 1,025,669 | |
Japan | 3,376,165 | 3,289,194 | 3,273,060 | 3,007,288 | 3,450,096 | |
Oceania | 20,509 | 19,657 | 27,244 | 23,143 | 21,452 | |
Central and South America | 290,325 | 311,398 | 317,855 | 296,154 | 363,395 | |
China | 428,597 | 363,525 | 315,049 | 332,788 | 370,500 | |
Africa | - | - | - | - | 244 | |
Total | 9,881,229 | 9,506,816 | 9,818,568 | 8,332,096 | 9,597,137External Assurance |
Energy consumption by type
Item | Unit | 2017 | 2018 | 2019 | 2020 | 2021 |
---|---|---|---|---|---|---|
Electricity purchased | GJ | 7,148,056 | 6,862,753 | 6,772,082 | 5,791,460 | 6,651,197 |
City gas | 571,882 | 562,792 | 583,812 | 544,384 | 631,144 | |
Natural gas | 1,193,943 | 1,152,276 | 1,567,532 | 1,234,396 | 1,393,431 | |
LPG | 511,940 | 482,557 | 449,341 | 421,531 | 569,120 | |
Butane | 776 | 11 | 16 | 11 | 11 | |
Gasoline | 223,042 | 224,327 | 200,806 | 141,044 | 157,817 | |
Heavy oil A | 101,299 | 88,011 | 91,430 | 82,912 | 89,356 | |
Light oil | 126,633 | 131,940 | 138,345 | 96,895 | 82,955 | |
Kerosene | 2,398 | 1,244 | 791 | 7,662 | 7,025 | |
Hot water | 1,260 | 905 | 14,412 | 11,799 | 15,049 | |
Total | 9,881,229 | 9,506,816 | 9,818,568 | 8,332,096 | 9,597,137External Assurance |
3. Greenhouse gas (GHG) emissions volume: Scope 1 (direct emissions)

By type | 2021 |
---|---|
CO2 | 15.1 |
CH4 | 0.0 |
N2O | 0.0 |
HFCs | 0.0 |
PFCs | 0.0 |
SF6 | 0.1 |
Total | 15.2 |
Referenced Global Warming Potential: IPCC "Fifth Assessment Report" (AR5)
4. Greenhouse gas (GHG) emissions volume: Scope 2 (indirect emissions)

By area | Location-based (L) | Market-based (M) |
---|---|---|
Asia | 19.3 | 19.1 |
Europe | 0.3 | 0.3 |
North America | 4.1 | 3.4 |
Japan | 11.0 | 9.9 |
Oceania | 0.1 | 0.1 |
Central and South America | 0.3 | 0.3 |
China | 1.8 | 1.8 |
Africa | 0.0 | 0.0 |
Total | 36.9 | 34.9 |
Domestic: Adjusted emission factors by electric utility for the most recent year announced by the Ministry of the Environment.
Overseas: As a rule, emission factors by electric utility.
Otherwise, CO2 emission factors by country announced by the International Energy Agency (IEA), etc.
(Emission factors for 2008, 2010, or 2012 as found in “GHG Protocol Purchased_Electricity_Tool _Version-4_8_0”)
Global CO2 emissions

Area | Unit | 2017 | 2018 | 2019 | 2020 | 2021 |
---|---|---|---|---|---|---|
Scope 1 | ||||||
Asia | t CO2 | 66,751 | 67,784 | 78,992 | 58,750 | 67,511 |
Europe | 5,595 | 5,289 | 5,437 | 4,234 | 4,689 | |
North America | 13,810 | 13,716 | 13,290 | 12,822 | 16,305 | |
Japan | 52,440 | 50,247 | 49,581 | 46,388 | 52,436 | |
Oceania | 1,265 | 1,213 | 1,000 | 735 | 695 | |
Central and South America | 2,526 | 2,336 | 2,081 | 1,834 | 3,474 | |
China | 6,750 | 6,008 | 5,096 | 5,412 | 5,894 | |
Africa | - | - | - | - | 0 | |
Total | 149,043 | 146,167 | 155,847 | 130,174 | 151,002External Assurance | |
Scope 2 | ||||||
Asia | t CO2 | 233,054 | 218,805 | 219,285 | 165,076 | 191,436 |
Europe | 4,821 | 4,556 | 4,728 | 4,180 | 3,270 | |
North America | 43,448 | 42,701 | 32,066 | 28,461 | 34,307 | |
Japan | 94,739 | 92,769 | 108,834 | 94,709 | 98,657 | |
Oceania | 27 | 26 | 928 | 917 | 824 | |
Central and South America | 2,517 | 2,669 | 2,989 | 2,785 | 3,221 | |
China | 26,274 | 21,820 | 15,428 | 16,231 | 18,174 | |
Africa | - | - | - | - | 12 | |
Total | 404,880 | 383,346 | 384,258 | 312,359 | 349,901External Assurance | |
Scope 3 | ||||||
01.Purchased products and services | t CO2 | 3,563,262 | 3,531,412 | 3,522,932 | 3,115,239 | 4,602,716 |
02.Capital goods | 89,156 | 174,557 | 249,256 | 218,028 | 201,270 | |
03.Energy-related activities | 58,728 | 56,700 | 56,300 | 47,250 | 55,860 | |
04.Transport and delivery (upstream) | 221,617 | 240,020 | 241,627 | 206,551 | 311,125 | |
05.Waste materials emitted by businesses | 16,157 | 16,494 | 15,589 | 13,538 | 16,333 | |
06.Business trips | 27,504 | 26,739 | 24,266 | 3,902 | 3,306 | |
07.Employees' commuting | 7,701 | 8,364 | 8,180 | 8,160 | 10,500 | |
08.Leased assets (upstream) | Included in Scopes 1, 2 | |||||
09.Transport and delivery (downstream) | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | |
10.Processing of products sold | 6,495 | 6,219 | 5,730 | 5,065 | 4,871 | |
11.Use of products sold | 25,753,328 | 25,963,326 | 23,859,974 | 19,624,372 | 23,237,944External Assurance | |
12.Disposal of products sold | 57,668 | 58,683 | 57,393 | 51,298 | 44,660 | |
13.Leased assets (downstream) | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | |
14.Franchises | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | |
15.Investments | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | |
Total | 29,801,616 | 30,082,514 | 28,041,247 | 23,293,403 | 28,488,585 | |
Scope 1, 2, 3 Total | 30,355,540 | 30,612,027 | 28,581,352 | 23,735,936 | 28,989,488 |
* Scope 3: Other indirect emissions are calculated using the Emission Unit Value Database(ver. 2.4) as per the Ministry of the Environment’s Basic Guidelines on Accounting for Greenhouse Gas Emissions Throughout the Supply Chain (ver. 3.2).
Conversion factors used for energy consumption and CO2 emissions

Conversion factors (variable factors) used for 2021 results in the Environmental Plan 2050
* With regard to actions relating to the Environmental Plan 2050, results for 2019 onwards are calculated using variable factors and therefore cannot be compared with past data.
Item name | Common unit | Calorific value per unit factor | CO2emission factor |
---|---|---|---|
GJ/Common unit | t-CO2/Common unit | ||
Electricity | MWh | 9.76 | *Note 1 |
Kerosene | kL | 36.7 | 2.49 |
Heavy oil A | kL | 39.1 | 2.71 |
LPG | t | 50.8 | 3 |
Butane | t | 49.7 | 3.03 |
City gas (Japan) | 1000Nm3 | 45 | 2.24 |
City gas (other than Japan) | 1000m3 | 40 | 1.81 |
Gasoline | kL | 34.6 | 2.32 |
Bioethanol-blended gasoline | kL | 34.6 | By mixture ratio |
Light oil | kL | 37.7 | 2.58 |
Bioethanol-blended light oil | kL | 37.7 | By mixture ratio |
Industrial steam | GJ | 1.02 | 0.06 |
Non-industrial steam | GJ | 1.36 | 0.057 |
Hot water | GJ | 1.36 | 0.057 |
Waste oil | t | 38.3 | 2.92 |
Waste plastic | t | 29.3 | 2.55 |
*Note 1
Domestic: Adjusted emission factors by electric utility for the most recent year announced by the Ministry of the Environment. Overseas: As a rule, emission factors by electric utility .
Otherwise, CO2 emission factors by country announced by the International Energy Agency (IEA)
(From a coefficient of 「GHG Protcol Purchased_Electricity_Tool_Version-4_8_0」 2008, 2010 years or 2012)
Conversion factors (fixed factors) used for 2009 to 2018 in the Environmental Plan 2020
Energy Segment | Reporting Unit | Calculation coefficient | |||
---|---|---|---|---|---|
Calorie | CO2 (tCO2) |
Data source | |||
Electricity purchased (electric utilities in each country) | MWh | Individual setting (IEA values by country) | |||
Japan: daytime electricity | MWh | 9.97 | Energy Saving Act | ||
Japan: nighttime electricity | MWh | 9.28 | |||
Japan: Chubu Electric Power | MWh | 0.451 | Published values | ||
Gasoline (including aviation gasoline) | kl | 34.6 | 2.32 | Act on Promotion of Global Warming Countermeasures | |
Kerosene (including jet fuel) | kl | 36.7 | 2.49 | Act on Promotion of Global Warming Countermeasures | |
Light oil (diesel fuel) | kl | 38.2 | 2.62 | Act on Promotion of Global Warming Countermeasures | |
Heavy oil A (for small and medium-sized boiler fuels) | kl | 39.1 | 2.71 | Act on Promotion of Global Warming Countermeasures | |
Petroleum gas | Liquefied petroleum gas (LPG) | t | 50.2 | 3 | Act on Promotion of Global Warming Countermeasures |
Butane | t | 49.6 | 3.03 | Supplier data | |
Natural gas | Natural gas (overseas) | thousand m3 | (35.2) | (1.81) | Individual setting (IEA global average) |
City gas 13A (Japan) | thousand m3 | 41.1 | 2.08 | Act on Promotion of Global Warming Countermeasures |
SASB requirements

Code | Accounting Metric | Unit of Measure | 2021 | ||
---|---|---|---|---|---|
Activity Metrics | TR-AU-000.A | Number of vehicles manufactured | K vehicles | 4,375 | |
TR-AU-000.B | Number of vehicles sold | K vehicles | 4,490 | ||
Product Safety | TR-AU-250a.2 | Number of safety-related defect complaints, percentage investigated |
Percentage (%) | 100 * Investigated all complaints that the Ministry of Land, Infrastructure, Transport and Tourism of Japan has requested to investigate. |
|
TR-AU-250a.3 | Number of vehicles recalled (in Japan) | Number | 39,872 (in Japan) |
||
Labor Practices | TR-AU-310a.1 | Percentage of active workforce covered under collective bargaining agreements |
Percentage (%) | 61 | |
TR-AU-310a.2 | Number of work stoppages | Number | 0 | ||
totaldays idle | Number, Days idle | 0 | |||
Fuel Economy & Use-phase Emissions | TR-AU-410a.1 | Sales-weighted average passenger fleet fuel economy, by region |
Asia | km/L | 49 |
Europe | gCO2/km | 77 | |||
North America | mpg | 70 | |||
Japan | km/L | 36 | |||
Oceania | km/L | 26 | |||
Central and South America | km/L | 44 | |||
Other | km/L | 52 | |||
TR-AU-410a.2 | Number of (1) zero emission vehicles (ZEV), (2)hybrid vehicles, and (3) plug-in hybrid vehicles sold | Number | Not applicable | ||
TR-AU-410a.3 | Discussion of strategy for managing fleet fuel economy and emissions risks and opportunities |
・Evaluate Risks and Opportunities and Their Financial Impact ・Yamaha Motor’s Net-zero CO2 Emissions (Carbon Neutrality) Strategy |
|||
Materials Sourcing | TR-AU-440a.1 | Description of the management of risks associated with the use of critical materials |
・Addressing Human Rights Issues at Suppliers ・Addressing Procurement Risk |
||
Material Efficiency & Recycling | TR-AU-440b.1 | Total amount of waste from manufacturing | Metric tons (t) | 49,557 | |
Percentage recycled | Percentage (%) | 66.0 | |||
TR-AU-440b.2 | Weight of end-of-life material recovered | Metric tons (t) | ー | ||
Percentage recycled | Percentage (%) | 97.6 (on a weight basis) Actual results in 2021 | |||
TR-AU-440b.3 | Recyclability of products | Percentage (%) by salesweighted metric tons (t) | Target value: Set at 90% |
* A disclosure index for the auto industry required by the Sustainability Accounting Standards Board (SASB) TR: Transportation; AU: Automobiles