求翻译：但是，从某种意义上讲，在发电厂控制污染要比对每一辆汽车分别控制污染容易很多；同时，发电厂经常是位于空气污染严重的城市中心以外；更重要的是，我们将越来越多地使用可再生能源进行发电，如：生物能、风能、地热或太阳能，这些能源都将是清洁的能源。目前，制约电动汽车发展的主要问题是蓄电池技术。现有的蓄电池的缺点是：成本高、重量大、储能少使得电池技术成为电动车发展的“瓶颈”。是什么意思？

However, in a sense, in the power plant pollution control is much easier than every car pollution control; the same time, power plants often located outside the serious air pollution in urban centers; more importantly, we will be more more use of renewable energy for power generation, such as: bio-e

However, in a sense, the power plant pollution control than for every car, pollution control a lot easier; at the same time, the power plant pollution is often located in the center of the city; more importantly, we will more and more use of renewable energy for power generation, such as biomass, wi

However, in some sense, in power plant pollution control than separately for each car much easier to control pollution; at the same time, power plants are often located in the serious air pollution in urban centres outside the is more important, we will be increasing use of renewable energy sources