Carmakers have been promising to scrap the internal combustion engine, and now it’s the truckmakers’ turn. But the makers of giant 18-wheelers are taking a different route.
Daimler, the world’s largest maker of heavy trucks, whose Freightliners are a familiar sight on American interstates, said last week that it would convert to zero-emission vehicles within 15 years at the latest, providing another example of how the shift to electric power is reshaping vehicle manufacturing with significant implications for the climate, economic growth and jobs.
The journey away from fossil fuels will play out differently and take longer in the trucking industry than it will for passenger cars. For one thing, zero emission long-haul trucks are not yet available in large numbers.
And different technology may be needed to power the electric motors. Batteries work well for delivery vehicles and other short-haul trucks, which are already on the roads in significant numbers. But Daimler argues that battery power is not ideal for long-haul 18-wheelers, at least with current technology. The weight of the batteries alone subtracts too much from payload, an important consideration for cost-conscious trucking companies.
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