Chinese carmaker BYD saw a surge in revenue last year, a stock filing showed Monday, surpassing the $100 billion mark and beating rival Tesla as the electric vehicle giant accelerates its overseas ...

Possibly the key challenger to BYD is Chinese battery giant CATL. Last year, the group unveiled its Shenxing Plus battery with a charge time equating to 1km of range a second, or 600km in 10 minutes.