To avoid an oil shortage, more productions must harness natural energy such as solar energy, wind energy and tidal energy.

为避免油料的短缺，更多的生产应该利用自然能源例如太阳能，风能和潮汐能。

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Since 1981 UEK Corporation has developed a practical way to harness river, tidal and ocean currents with hydro kinetic turbines.

自1981年以来，UEK公司一直研究一种实用方法，就是利用水流、潮汐、海水等进行水力发电。

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The proposals form part of Peel Energy's vision to develop the mouth of the River Mersey into a "renewables hub" and sits alongside plans to harness tidal power from the river.

BBC: Wind farm power claims questioned

It is vital that we do all we can to harness the vast wave and tidal opportunities as soon as possible.

BBC: NEWS | UK | Scotland | Edinburgh and East | Boost for marine power projects

Plans for tidal power in Swansea Bay were first mooted in 2003 when a charity wanted to harness the tides to provide electricity for up to 10, 000 homes.

BBC: Swansea Bay tidal power could 'supply 100,000 homes'