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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 extracts biodiesel with homemade tools at Chongqing municipality, China, on June 18, 2012. [Photo/CFP]

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