Workers assembling solar panels in Wuxi, China
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US imposes 5% tariff on Chinese solar panel cells

21 March 2012 Last updated at 03:00 GMT

Trade tensions between the world's two largest economies, the United Stares and China, have risen with the decision by Washington to impose tariffs of nearly 5% on Chinese manufacturers of solar panel cells.

The move follows a review by the US Commerce Department which in a preliminary decision claims that Chinese firms are benefiting from unfair export subsidies.

William Hess is managing director at the consultancy firm China Analytics.