沼气确实积聚在这周围的矿井中。
废物腐烂时会产生沼气。
在桥的中间，有一盏明亮的沼气灯，像一盏电灯。
In the middle of the bridge, there is a bright firedamp light like an electric lamp.
该项目由现代化养猪场、现代化养鹅场、以及沼气发电厂组成。
The project is consisted of a modern hoggery, goose house and methane power plant.
利勒哈默尔的开幕式上有一个巨大的奥运火炬，它是由腐烂植物产生的沼气燃烧着的。
Lillehammer's opening ceremonies featured a giant Olympic Torch burning biogas produced by rotting vegetation.
尽管该系统会消耗能源，但它会通过从植物不可食用的部分堆肥产生的沼气将能源回馈给电网。
Although the system would consume energy, it would return energy to the grid via methane generation from composting nonedible parts of plants.
“一个油箱就足够让你在这一地区转上一天，但你必须提前计划。”该县工程师马丁·里斯伯格一边给一辆沼气沃尔沃加满油，一边说。
"A tank is enough to get you around the region for the day, but you have to plan ahead," Martin Risberg, a county engineer, said as he filled a biogas Volvo.
在美国，沼气系统非常少见。
沼气或者煤渣的问题解决起来相对容易。
The problem of methane or coal dust in a mine's air is relatively easy to solve.
藻类可以吸收二氧化碳并产生能够用于生产能源的沼气。
The algae would absorb carbon dioxide and produce methane which could be used to produce energy.
尼日利亚也接受了两笔类似贷款，以资助其沼气发电项目。
Nigeria took out two similar loans to finance projects that use gas to generate electricity.
无论走到哪里，我们都能看见太阳能热水器和沼气取代了木炭。
Everywhere we went, we saw solar water heaters and biogas being used in place of wood.
然后，他们可以把沼气当成燃料，给积肥场供电供暖。
Then they could burn it, to power and heat the compostfacility.
天然气和沼气燃烧时，都会产生二氧化碳，但是要比煤和石油少得多。
Both natural gas and biogas create emissions when burned, but far less than coal and oil do.
然而，一种还未被大量开采的能源，是全球农场上奶牛所产生的沼气。
One largely untapped source of energy, however, is the methane generated by cows on farms around the world.
沼气燃烧之后可以供热或者发电，也可以将其提纯，用作汽车的燃料。
That gas is burned to create heat and electricity, or is refined as a fuel for cars.
中方决定为非洲援建太阳能、沼气、小水电等100个清洁能源项目。
We have decided to build 100 clean energy projects for Africa covering solar power, bio-gas and small hydro-power.
目前Bloomboxes使用天然气、乙醇或者沼气来运行燃料电池。
The current generation of Bloom boxes use natural gas, ethanol or biogas to run their fuel cells.
如果将沼气释放到大气中，沼气所产生的危害是二氧化碳的21倍。
If released into the atmosphere, methane is 21 times more damaging to the environment than carbon dioxide.
在加济布尔lagalia区，我们拜访了一位养鸡的农夫，他也生产沼气。
In Lagalia, in the district of Gazipur, we visited a chicken farmer who also produces biogas.
这一过程也会产生大量沼气。研究人员说，沼气将来可用作废水处理工厂动力。
The process also produces excess methane, and the researchers say that gas can be used to power wastewater treatment plants of the future.
他们用铺在地底下的容器收集鸡粪，以生产沼气，再用沼气煮饭和发电。
And by collecting the chicken waste in an underground container, they generate biogas, which is used for cooking and to generate electricity.
沼气工厂的另外一个好处是可以消除大量肥料，否则这些肥料就会污染空或者水源。
Another plus is that biogas plants can devour vast quantities of manure that would otherwise pollute the air and could affect water supplies.
最新的想法是，通过省掉人类消化这一中间过程，进一步提高沼气生成率。
And the latest thinking is to improve yields still further by cutting out the middle man.
“这包括使用液化石油气，但是也有其他方案，例如沼气、木炭和经过处理的煤饼”。
These include liquefied petroleum gas, but also alternatives like biogas, managed charcoal and processed briquettes.
由数据中心所产生的热量也可以被用来更为高效地处理动物粪便，从而提高沼气的产量。
Heat generated by a data centre could also be used to more efficiently process the animal waste and thus increase methane production.
在这些动物，即“巨型土壤动物”消失以后，沼气量的急剧下降可能造成了气候的改变。
The climate may have changed due to a dramatic fall in atmospheric methane when these animals, or "megafauna", disappeared.
在这些动物，即“巨型土壤动物”消失以后，沼气量的急剧下降可能造成了气候的改变。
The climate may have changed due to a dramatic fall in atmospheric methane when these animals, or "megafauna", disappeared.
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