Fossil fuels are cheap and convenient, easy to ship, and easy to turn into electricity on demand.

化石燃料便宜又方便，易于运输，并且很容易按需转化为电能。

And some people might say that, oh, when you turn the electricity back on, that might even use up more energy.

有些人可能会说 哦 当你重新打开电源时 可能会消耗更多的能源。