Starting in 1829 he began collaborating on improved photographic processes with Louis Daguerre, and together they developed the physautotype, a process that used lavender oil.
Dudley has spent about 30 years in the oil industry, including a stint as CEO of TNK-BP starting in 2003.
杜德利在石油业工作了30年，在2003年开始担任秋明石油公司首席执行官。
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Starting in September, KLM will begin more than 200 flights between Paris and Amsterdam using biofuel made from used cooking oil, the company said Wednesday.