sexta-feira, 15 de junho de 2007

Combustibles alternative

THE ONE Brazil does have the beatitude of being rich well into bounciness hidroelétrica , that you have your inconvenients , but did not contribui for this greenhouse , like the he burns as of fuel oil or charcoal. In the US , than it is to they depend chiefly from the combustion , the contribution for this greenhouse is the largest of the of the planet. He begins the one awakening in that country a consciousness he might give whole question , against it the will from the head of state Bush , alloyed as a is at the industry from the fuel oil. The pusuance as of fonts alternatives AND the hit of the carriages hybrids movido at the gas AND eletricidade , that's a it shows thereof.

Comparative amidst combustibles

This one is also the closure by one I study than it is to has just be published By two scientists Norwegian. Karl Hoyer AND Erling Holden balance the costs environmental of the many combustibles about to automobiles , stretching from the gas AND the oil diesel , as far as those who are only promises technological , still far from the viabilização , as the hidrogênio. The result that's a ranking " which can appear logical at first blush : the gas AND the one diesel , as a would be as of in case that await , they are at the últimas placements. But there are some supreendentes zebras under cover at the categorization. THE ONE comparative among the combustibles alternative about to cars has been made taking - in case that into consideration the expenditure energéticos AND the broadcast as of pollutants at the procedures as of crop , industrialization AND expenditure of the several combustibles. Have been computed the custom as of bounciness , the broadcast as of gases causers from the effect greenhouse AND the broadcast as of pollutants local AND regionalmente. Have been compared gas diesel AND natural gas AND fonts alternatives as of fuel , as a ethanol , methanol , biofuel AND hidrogênio. As of short-bodied upward at the categorization logo afterward of the cars the gas they come the cars bicombustível than it is to consonant gas AND natural gas. " any fuel alternative than it is to we anticipate it is best than the carriages than it is to we use today " they say the surveytakers. THE ONE ample champ in terms of earnings environmental is the one hidrogênio , extracted from the methanol AND generating bounciness by means of cells the one fuel. This is , in the mean time , an option still far from the viabilização econômica and that , even from the point of view strictly by our service , still has annoyances the one he shall be sorted out.

Environmental costs

The surveytakers they rode your own ranking allocating one peso as of 1 the one 16 for each one of ítens considered : I use as of bounciness , broadcasts as of carbon AND pollution along oxides nitrogenados. The onuses have been assigned coletando - in case that the data totals stretching from the one removing or crop from the fuel as far as your he burns at the on the pump from the automobile from the well to the escapamento , as a they say the surveytakers. As you the onuses as of each procedure they are addition , the result that's a banknote which equals the one the whole calaboose energética as of each fuel , on each of the three ítens. For example , in the event from the hidrogênio , have been considered the one removing from the natural gas at the well , your own processing about to removing from the hidrogênio liquefied , the stock from the hidrogênio AND your application well into a cell the one fuel gang um automobile. The cage energética than it is to has the smaller addition across the board it was the best placed at the ranking , inasmuch as the sum of your impact at the ítens considered it was the under age feasible. The jails energéticas with the greater addition across the board they are considered those potentially more damages to the environmement - atmosphere.

Best fuel

It doesn't let of being attractive the one suit of what the one hidrogênio , even generating merely water as a byproduct well into your application at the cell the one fuel , he may be as well an alternative "" fossil In theend , the one natural gas is almost um " brother gêmeo " from the fuel oil , being as well um recourse finite. IS that's why as the browsers they are such interested in to remove hidrogênio as of other fonts from the water , more namely ( merely for the effects more new veja Super molecule is do you really mean it usina as of strain , generating hidrogênio along solar energy AND Biocélula the one fuel generates bounciness from the hidrogênio well into air atmosphere ). Ditto natural gas , on the other hand , when burnt diretamente at the on the pump , all by oneself fica ago from the gas AND from the diesel , in terms of efficiency , worn away energético AND pollution. Another deception it was the biometanol the methanol extracted as of fonts recuperative. Even when used well into cells the one fuel , as the hidrogênio , he fica at the últimas placements , along big ones impact environmental. " must be enfatizado that no calaboose energética individually does have finest placement at every the categories as of impact " they say the surveytakers. " there are always some type as of appointment involved. Hereby , there aren't winners blatant ; merely contra-entries boas AND ruins among the different categories as of impact "

Course of the biofuel

Is not at the toa it would not exists atualmente um consensus above the than it is to would be the option more sustentável or more environmentaly brokerage as you the affair they are the combustibles even the biofuel. The one to in case that does have saw they are arguments half , based well into researches half , that take well into account merely appearances half. The result is than it is to have just in case that stands out the arguments politicians. As a does not exist um winner inequívoco , can - in case that as well anticipate paths after in an attempt to in case that attain a system as of transportations auto sustentável. Can - in case that accompany the course from the efficiency ameliorating - in case that the income energético as of each fuel , the course from the replacement AND the course from the abatement from the expenditure. Even aí , However , there are annoyances. " each [ course ] does have your patron " they say the scientists , " but , as a matter of fact , there are enormous zones ashes amidst they "

Perguntas:

1) De acordo com o texto quais são as fontes alternativas de combustíveis?
2) Qual o grande campeão em formas de ganho ambientais.

a) Etanol
b) Diesel
c) Hidrogênio extraído do metanol
d) Gasolina
e) Gás natural.

3) De onde os pesquisadores estão interessados a extrair o hidrogênio.
4) De acordo com o texto qual fica nas últimas colocações, com grandes impactos ambientais.
5) De acordo com o texto como pode melhorar as rotas dos biocombustíveis.

Vocabulário:

Petroleum: Petróleo
Coal: Carvão
Fue: Combustíveis
Oil: Óleo
Technology: Tecnologia
Placment: Colocação
Calaboose energética: Cadeia energética
Effect greenhouse: Efeito estufa
Carriagers hybrids: Carros híbridos
Bounciness: Energia
Cell: Célula
Carbon: Carbono
Storage: Armazenamento
Recuperative: Renováveis
Contra-entries: Contrapartidas.


Componentes do Grupo:

Carolina Ribeiro nº 21
Gabriela Araújo 29
Gessyca Alonso 30
Izabela Duque 33
Juliana Alves 38

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