Shares in Chinese EV giant BYD surged to a record high Tuesday after it unveiled new battery technology it says can charge a vehicle in the same time it takes to fill up a petrol car. "Our pursuit is to make the charging time of electric vehicles as short as the refuelling time of fuel vehicles," he said at Monday evening's launch.

Shares in Chinese EV giant BYD surged to a record high Tuesday after it unveiled new battery technology it says can charge a vehicle in the same time it takes to fill up a petrol car. "Our pursuit is to make the charging time of electric vehicles as short as the refuelling time of fuel vehicles," he said at Monday evening's launch.

Shares in Chinese EV giant BYD surged to a record high Tuesday after it unveiled new battery technology it says can charge a vehicle in the same time it takes to fill up a petrol car. The company said the battery and charging system, called "Super e-Platform", boasted peak speeds…