Mr Obama said the us must move towards getting 80% of its electricity from non-oil sources by 2035.

奥巴马说到2035年美国必须实现由非石油能源供给80%的电力。

youdao

It was demonstrated that the method could benefit rapid identification of spilled oil sources at emergent state.

事实证明，这种方法有利于应急状态下溢油源的快速鉴别。

youdao

While fossil fuels—coal, oil, gas—still generate roughly 85 percent of the world's energy supply, it's clearer than ever that future belongs to renewable sources such as wind and solar.

虽然化石燃料——煤炭、石油、天然气——仍占世界能源供应的大约85%，但比以往任何时候都更清楚的是，未来属于可再生能源，如风能和太阳能。

youdao

"In addition to cleaning up the mess, repairing the damage and cracking down on big oil companies, we also have to get serious about ending our dependence on oil and creating new sources of clean energy."

VOA: standard.2010.07.31

We would be then reaching to the EU, and saying: "Look, you got some oil, and you've also got possibilities of developing alternative sources of energy, We'll work with you.

我们主动和欧盟交谈，你们有石油资源，你们还有可能,开发可替代能源资源，我们想和你们合作。

普林斯顿公开课 - 国际座谈会课程节选

In the past they have spurred exploration and the discovery of new cheap oil sources.

FORBES: The Carbon Bubble

Additionally, higher oil prices brought on by higher demand and lower production make these alternative oil sources financially feasible.

FORBES: Peak Oil Plan

It might happen again, but new oil sources are found in increasingly costly places like deep water and perhaps the ecologically fragile Arctic.

FORBES: The Carbon Bubble