Conventional energy generation, which in India means burning cheap but dirty local coal, is a mess.

传统能源的生产十分混乱，在印度是通过燃烧便宜但污染大的煤炭来发电的。

youdao

Apart from some coal and abundant hydroelectricity, Chile has almost no conventional energy sources.

智利除了有着一些原煤储备与大量的水利电气产出量，它几乎没有任何的能量资源。

youdao

Natural gas hydrate is a newly potentially non-conventional energy resource. How to exploit it is a big problem.

天然气水合物是储量巨大的一种新型能源，如何有效地开采是关键问题。

youdao

The International Energy Agency, an intergovernmental energy advisor, has projected an almost in conventional oil production by 2020 and the potential for a serious gap between supply and demand by 2015.

VOA: standard.2009.10.20

Even if they pay 20 times more than for conventional energy, they still have to buy.

FORBES: Advice to Obama's DOE From a Former Soviet Planner

Both failed because of political interference and a collapse in the price of conventional energy.

ECONOMIST: How the government can help things along

At the nexus of these life-improving advancements and routine behavior, however, stand conventional energy sources, especially oil.

FORBES: Tarballs And Fouled Ecosystems Are Awful But Oil Is Here To Stay