BOSTON (AP) — Officials from companies with fleets of trucks are urging governors across the country to embrace a rule meant to speed the adoption of zero-emission trucks and reduce a potent source of greenhouse gases spewed from the large commercial vehicles.

In a letter released Friday, representatives of companies including IKEA, Nestle, Siemens, Etsy, eBay, Ben & Jerry's and Unilever joined with environmental activists and investors to call for the wide adoption of the Advanced Clean Trucks rule. Transportation is a leading cause of greenhouse gas emissions in the U.S., with trucks being o...