Electric trucks are swarming on the roads faster than expected, even if the road is still long to dethrone the diesel pollutant. In 2022, electric trucks accounted for only a small portion — 1 to 2 percent — of the world's major markets.

But the main Western manufacturers such as the German Daimler and Man, Volvo and its French subsidiary Renault Trucks, or the other Swedish Scania have invested heavily. The truck market is worth more than $200 billion a year worldwide, with nearly 6 million units sold.