Bloomberg As major players jostle for market share in large-scale power storage, American Electric Power and Nissan Motor Co are testing new technology that re-uses old electric vehicle batteries to slash costs. The pilot study in Ohio will road test technology that could lower system costs by about a half and extend the life of lithium-ion batteries by about a …

Bloomberg France’s grid operator will test storing excess wind and solar power in batteries to reduce the need to build new transmission lines that involve heavy construction work and take longer to complete. Network operators across Europe are seeking ways to both minimise the cost and environmental impact of the energy transition. Reseau de Transport d’Electricite estimates that France will …

Bloomberg European stocks erased gains while US index futures trimmed an advance as China restricted travel to Hong Kong in the latest international effort to curb the Sars-like virus from spreading. The yuan fluctuated and Treasuries turned higher. The Stoxx Europe 600 Index gave up an early advance after Hong Kong Chief Executive Carrie Lam said China will stop individual …