顶楼主。 >qjV{M
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： La26"C"X
These new cow fart packs from Argentina could save the world +L(am q;S
kI{DxuTad
rz?Cn
X.t
This is not a joke, but it is funny. It's also practical. a V 3:{oL
J 3K = z
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. o`?rj!\
) *,/L <
In other words, cow fartpacks are here. &1xCPKIr
R?2sbK4Cz
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. a^|DD#5
<AHpk5Sn{
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. -EjXVn! vQ
\{,TpK.
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. H" P b)t
g g;r;3u
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. R$awg S E
GXNf@&
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." J~Xv R
US6_ 5>/
Just fart-powered farms, then. Excuse me？ )s2] -n}W
THA9OXP
我觉得还不是太搞，苹果不也想出iFart吧。祝大家周末开心。 !QUY (
v0^9 "V:y
&J[a.:..
#Ondhy%h[
E_HB[ 9
E*_^ + %
