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TOSHIBA Top Page > Toshiba Digital Products & Services Company Environmental Conservation Activities > For the Future of the Earth Toshiba Environmental Initiatives > Oh, now I understand! When you travel, what does it cost in CO2 emissions?

For the Future of the Earth Toshiba Environmental Initiatives

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[Regarding the contents of this webpage]
This webpage uses data estimates to calculate the amount of CO2 emitted using various modes of transport based on the length of time fossil fuels are used. Please understand that the amount of CO2 emitted when actually travelling may differ.

The units used on this webpage are kilometers and kilograms. If you are converting from and to miles and to pounds, use the following conversion ratios:
Miles to kilometers: miles x 1.60
Kilometers to miles: kilometers divided by 0.62.
Kilograms to pounds: kilograms x 2.2 pounds

The charts displayed on this webpage compare methods of transport relative to one another. Therefore, the visual images may not accurately match their corresponding value

In the case where the distance travelled is entered as zero or is a short distance, numeric conversion may lead to display of results that are rounded down to 0.0.

Regarding travel by airplane
The amount of CO2 an airplane emits during flight depends on various factors, including the number of passengers on board, the type of aircraft and the flight distance. This webpage calculates emissions on the basis of 111g of CO2 per 1km.
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Reference: The Association of Japanese Private Railways (incorporated association) "Reference materials regarding railways and environment" (Japanese)
http://www.mintetsu.or.jp/eco/pdf/environment-train_p03.pdf

Regarding rail travel
The amount of CO2 a train emits while moving depends on various factors, including the number of passengers on board, the type of rail car and the journey distance. This webpage calculates emissions on the basis of 18g of CO2 per 1km.
open the other windowReference: The Association of Japanese Private Railways (incorporated association) "Reference materials regarding railways and environment" (Japanese)
http://www.mintetsu.or.jp/eco/pdf/environment-train_p03.pdf

Regarding travel by gasoline powered automobile
The amount of CO2 a gasoline powered automobile emits while moving depends on various factors, including the type of vehicle and engine size, the weight of the vehicle, gasoline consumption and driving style. This webpage assumes a gasoline powered car with an automatic transmission and weighing 1,250kg, and calculates emissions on the basis of 200g of CO2 per 1km.
open the other windowReference: Ministry of Land, Infrastructure, Transport and Tourism "List of automobile fuel consumption rates" (Japanese)
http://www.mlit.go.jp/common/000037099.pdf

Regarding travel by electric powered automobile (hybrid)
The amount of CO2 emitted by an electric powered automobile (hybrid) while moving depends on various factors, including the type of vehicle and engine size, the weight of the vehicle, gasoline consumption and driving style. This webpage assumes an electric-gasoline hybrid automobile weighing 1,250kg, and calculates emissions on the basis of 75g of CO2 per 1km.
open the other windowReference: Ministry of Land, Infrastructure, Transport and Tourism "List of automobile fuel consumption rates" (Japanese)
http://www.mlit.go.jp/common/000037099.pdf

Regarding travel on foot and by bicycle
As a calculation of CO2 emitted from consumption of fossil fuels, this webpage assumes that the amount of CO2 emitted from travel on foot or by bicycle is zero. CO2 emitted from such essential functions as breathing and eating is not included.

Regarding conversion of CO2 captured in eucalyptus trees
Based on forestry data from Africa and South America, the following assumptions are made: the eucalyptus stand is 8 years old, the dry weight of eucalyptus trees per hectare is 144 tons and the number of per hectare is 1200. The formula for calculating the amount of stored CO2 carbon is calculated as: weight of carbon = dry weight x 1/2.

I suggest: dry weight of trees x 0.5 = weight of carbon

The eucalyptus tree offers high carbon absorbability, is an evergreen that matures quickly, even in dry regions, and it is therefore widely used for reforestation in places such as Brazil and India.


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