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Air travel produces about 2% of the world's green house gases. Ground
transportation produces over 30% of the world's green house gases.
However, more people rely on ground transportation than air travel. Water
transport generates the least amount of carbon per unit distance traveled per
unit mass. Rail is next, followed by buses. Next is personal transportation
like cars which generate twice the amount as rail, with the worst being air
travel, which generates 4x the amount as rail.
With regards to carcinogenic emissions, there is a belief that carbon
particulates from diesel is a problem. This can be alleviated to a considerable
extent by mandating the use of carbon particulate traps as is the case in the
west. Another technology is the use of high pressure common rail direct
injection, which is slowly but surely replacing the older less efficient
technologies.
There is of course the issue of disproportionate amounts of per capita
variations in carbon emissions between the rich and poor nations.
Marlon
--- On Wed, 1/21/09, edward desilva <[email protected]> wrote:
Hi,
What figures have you got to prove that Aviation High Octane fuel emitts more
carbon than the Diesel Trucks on the road emitting carsinogenic particulates,
or the Ships that burn dense diesel to bring the oil and petrol to your car?
You are watching and listening to too much useless propaganda news.
People who are living and working abroad - how do you expect them to come to
India? via train (diesel) and then by ship (diesel) which will take 6 months to
India?
I do not eat the holy cow (aversion to dairy products).
ED.
Tony Martin :
okay if we could milk aircrafts. But figuratively up to now it is airlines that
have been milking us – budget airlines being no exception
