mohli by vymysliet nieco na emisie,z mravcekov,omrviniek -aut ,aj ked ich je vela, sa idu "posrat" a lietadla vacsi znecistovatelia si veselo vypustaju....to je ta "ekologia", o ochranu ide len naoko ,hlavny je biznis... ;)
17.01.2016 - 17:44:00
01
netrep

www.yaleclimateconnections.org
Comparison of vehicle fuel efficiency. U.S. data for different transportation modes from various government agency data resources as compiled by the Oak Ridge National Laboratory Center for Transportation Analysis

www.yaleclimateconnections.org
Transportation energy use by mode

Jet fuel produces an average of 21.1 pounds of CO2 per gallon and aviation gas 18.4, while fuel for cars is 19.6

http://www.faa.gov/regulations_policies/policy_guidance/envir_policy/media/Primer_Jan2015.pdf
17.01.2016 - 17:55:43
00
15 najvacsich lodi vyprodukuje tolko emisii, ako vsetky auta dokopy:

http://www.industrytap.com/worlds-15-biggest-ships-create-more-pollution-than-all-the-cars-in-the-world/8182
17.01.2016 - 19:19:14
00
no to je samozrejme kravina hned jak sa nad tym zamyslis na 5 minut
17.01.2016 - 19:45:33
00
...ktoze to robil ten "graf" ?!... pekny :D ,len ked si predstavim "spotrebu " vzduchu prudoveho motora ,len takeho mensieho co robili v pov.bystrici.....
17.01.2016 - 22:01:28
00
mas tam dole link na zdroj
18.01.2016 - 09:48:27
00
marecej napísal:
no to je samozrejme kravina hned jak sa nad tym zamyslis na 5 minut


zamysli sa nad tym, ze motor v sucasnosti najvacsej lode ma na vysku 15.5 metra, sirku 11 metrov, dlzku 25 metrov a pracuje 280 dni v roku. Okrem toho neexistuju ziadne regulacie emisii a vsetky tieto lode spaluju toto (odpad z rafineriek):

files.tested.com
18.01.2016 - 10:24:11
00
spotreba motora Emma Maersk - 14000l za hodinu * 15 lodi * 24 * 280 = 1 411 200 000 litrov paliva za rok

podla tohto (http://www3.epa.gov/otaq/consumer/420f08024.pdf) je priemerna spotreba auta za rok 500 galonov - cca 2000 litrov
cize 760 000 000 * 2 000 = 1 512 000 000 000 litrov

od 2015 musia lode pouzivat palivo s maximalne 0.1% siry (https://en.wikipedia.org/wiki/Sulphur_Emission_Control_Area), co je 100 krat viac ako benzin v autach
kedze auta spotrebuju 1000 krat viac paliva tak vypustia 10 krat viac siry.
18.01.2016 - 11:41:21
04
http://www.euractiv.com/sections/transport/sulphur-directive-pushes-shipping-stormy-waters-312616

On 1 January, this Sulphur Emissions Control Area (SECA), along with two zones in North America, tightened its restrictions on the sulphur content of fuel used by commercial ships from 1% to 0.1%, in line with the 2013 Sulphur Directive. Sulphur content in ship fuel is hardly regulated in other areas, including the Mediterranean, where it can be as high as 4%. A global limit will be set at 0.5% from 2020; a challenge for the industry, but an essential measure for the environment.


...tolko k tvojmu 0.1%... regulacia sa tyka len minima oblasti
18.01.2016 - 12:20:13
00
No, tak asi este chvilu to tu tie lode budu zasierat. Ale aj tak je to trochu ine, ked to lode vypustaju na mori a lietadla hore, ako ked auto dymi rovno v meste medzi ludmi a vsetci to potom hned dychaju. V tom je problem emisii z aut - ze su lokalizovane do najhustejsie zaludnenych oblasti a teda maju najväcsi dopad na zdravie ludi. Z tohto pohladu by bolo idealne, keby v mestach mohli jazdit len elektricky, trolejbusy, elektrifikovane vlaky a elektromobily. Zatial sci-fi.
18.01.2016 - 12:32:24
00
na bicykle si zabudol !! :)
18.01.2016 - 12:35:15
00
obyčajné mu tam nezapadnu, ale ebike áno :D
18.01.2016 - 12:37:42
00
Pardon. :$ Ale tie predsa nemaju emisie ani teraz, takze tie nie je dovod regulovat ani teraz ani v buducnosti. :)
18.01.2016 - 12:37:44
00
Jezus napísal:
...keby v mestach mohli jazdit len elektricky, trolejbusy, elektrifikovane vlaky a elektromobily. Zatial sci-fi.


... na elektrinu vyrobenu z domaceho uhlia v Novakoch.
18.01.2016 - 13:21:15
02
V areali Novakov sa neprechadzaju denne 2 miliony ludi priamo popod kominy. A Jaslovske Bohunice ani Mochovce nemaju ziadne emisie.
18.01.2016 - 13:30:51
01
keyboard_arrow_up