Get the best of CNBC Africa sent straight to your inbox with breaking business news, insights and updates from experts across the continent.

Thermal batteries could transform renewable energy storage and provide a cheaper and scalable alternative to lithium-ion technology. "Intermittent wind and solar power are becoming the cheapest ...

"The lifespan of large appliances is shrinking," said The Wall Street Journal in a recent report, which means that the need to replace items ... or a heat-pump clothes dryer." ...