A newly developed technique by University of Surrey and the University of São Paulo promises to improve renewable energy storage by making better supercapacitors.
Despite an unexpected energy crunch that left authorities scrambling to guarantee coal supplies over the winter, it is still mostly business as usual for Henan's old mining regions.
The total global fleet of passenger electric and fuel cell vehicles now totals nearly 13 million, of which 8.5 million are true zero-emission vehicles (ZEVs).