The businesses say introducing the charge for EVs will hinder the already sluggish take-up of electric vans used for deliveries to homes and businesses.
Helene is already one of the deadliest mainland storms in the history of the U.S., with more than 100 people killed in the days since it first made landfall.
Alternative East Coast ports — including Montreal, where half of the terminals are shut down by a strike — will not be able to handle large scale diversions.
The union recently claimed that carriers "are gouging their customers," alleging that it now costs $30,000 to ship a single container. Not so, says freight rate analytics company, Xeneta.