顶楼主。 pKk{Q0Rt
开始以为是笑话，上网一查，是真事，阿根廷国家农技所的项目，并预言2070年后大家生活的城&乡没准会以屁甲烷为能源，原文如下： zMAlZ[DN
These new cow fart packs from Argentina could save the world cX48?srG
K.6xNQl{}
"ODs.m oq
This is not a joke, but it is funny. It's also practical. W;
?'
})ic@ Mmd$
Argentina's National Institute for Agricultural Technology (INTA) has invented a way to convert cow flatulence into usable energy, and it involves putting a plastic backpack on a cow. g U v`G
)<%I Y&\
In other words, cow fartpacks are here. 7p,!<X}%
`,FvYA"
The reason this is not a joke is because it is actually happening, but also because cows are responsible for a remarkable amount of global methane emissions, which are a major cause of global warming. It's a real problem. rh(77x1|(G
IZ+ZIR@}ci
According to the EPA, cow farting (and burping, actually a lot of it is burping) accounts for 5.5 million metric tons of methane per year in the United States — that's 20 percent of total US methane emissions. :FI 4GR* ?
i>@" &
Here's how the fartpacks work: tubes run from the backpack into the cows' rumen (or biggest digestive tract). They extract about 300 liters of methane a day, which is enough to run a car or a fridge for about 24 hours. ^g
n7DiIPH
@*~cmf&FIQ
Pablo Soranda, INTA press officer, told that the project is more about making a point than it is converting people to a way of life. $:0?"?o);
} m-+EUEo9
He doesn't think we're going to live in fart-powered cities before 2070, but he can "imagine a future farm with a couple of these cows used to provide energy to satisfy the farm’s needs." VXu1Y xY
v
iM6q<Ht
Just fart-powered farms, then. Excuse me？ iYzm<3n?
3 e<sNU?
我觉得还不是太搞，苹果不也想出iFart吧。祝大家周末开心。 tj e
>*[Bq;
Kj*:G!r0.:
Twr<MXa
HVc d< :g0
z
T#j.v
