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The cost of producing hydrogen using renewable energy sources is set to drop sharply over the next decade, making it competitive with supplies extracted from fossil fuels and enhancing its role in the clean energy transition.

Huawei Technologies founder Ren Zhengfei has warned in an internal memo the company is at a “live or die moment” and advised underutilised employees to form “commando squads” to explore new projects.

Dimension Data, South Africa’s largest multinational technology services group, wants to double its revenue in the next five years, lifting turnover from about $6bn in 2012 to $12bn in 2017. At the same time, it has set itself a target of improving its operating margin to 7% from 5% now. The group, which is owned

Telkom has unveiled a redesigned brand for Telkom Mobile, it’s cellular arm, saying the change, which involves a de-emphasis of the name 8ta, reflects the fact that the company is now “mature enough” to attract higher-spending customers away from longer