Digging out new ways to save energy on an industrial scale
By Du Juan | China Daily | Updated: 2011-12-26 07:58
The Operator Idol judge supervising the competition at Volvo headquarters in Shanghai. The contest, held by Volvo Construction Equipment, aimed to find the most fuel-efficient Chinese worker in the digger business. Provided to China Daily |
Beijing man wins national contest to find fuel-efficient excavator
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