如果电能来自使用煤或燃气的发电厂，碳排放依然是存在的。

If the electricity is from a coal - or gas-fired power plant, then there are still carbon emissions from that vehicle's use.

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天然气的开发和应用，使燃气的性质发生了变化。

Development and application of natural gas to make a change in the nature of gas.

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女性在国会中的低比例，是否可以被已接入燃气的家庭的高比例所抵消？

Can the low representation of women in parliament be cancelled out by a high proportion of homes connected to gas?

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