顶楼主。 cz2,",+~
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： S d IGU[fm
These new cow fart packs from Argentina could save the world r\(v+cd
hPa n
dh&W; zs
This is not a joke, but it is funny. It's also practical. TdQ ]G2
Rl_.;?v"!
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. %_R$K#T^,
aXe{U}eow
In other words, cow fartpacks are here. X[V?T>jsM
f
hQy36i@
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. q@w{c=
( %[Tk[
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. NMXnrvS&
i90}Xyt
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. aH%ZetLNJ
#2 \8?UPd
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. %a5t15 9
6sPk:5
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." U,PZMz`2j
h$70H ^r
Just fart-powered farms, then. Excuse me？ cTM$ZNin
k({2yc#RD&
我觉得还不是太搞，苹果不也想出iFart吧。祝大家周末开心。 eUt=n)*`
+UzXN$73
4E2yH6l
YMT8p\ #rp
t9. ,/o,
#+9rjq:v#]
