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Retired worker's 'homemade biodiesel' ambition

(chinadaily.com.cn) Updated: 2012-06-20 16:12 Comments

Retired worker's 'homemade biodiesel' ambition

Zhu Bangquan experiments on a second-hand diesel engine with newly-extracted diesel in Chongqing municipality, China, on June 18, 2012.[Photo/CFP] 

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