We doubled down on our  investment in renewable energy.

我们加倍资可再生能源。

That means doubling down on renewables and technologies that do away with gas.

这意味着要加倍资可再生能源和淘汰天然气的技术。

Obama reports that the US increased  its spending on renewable energy like solar or wind power. It doubled down. We doubled down on our investment in renewable energy. Our last example.

巴马报告说， 美国增加了对太阳能或风能等可再生能源的支出。它加倍了。 我们加倍资可再生能源。我们的最后一个例子。