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DETROIT — Cold temperatures can sap electric car batteries, temporarily reducing their range by more than 40% when interior heaters are used, a new study found.

GRAPEVINE, Texas — Goodyear Tire and Rubber Co. said during a customer event here that internal data has found that 15% to 18% of truck tires are either underinflated or have other safety-related issues.

GRAPEVINE, Texas — Within the next few years, the truck tire you buy may be manufactured in part with soybean oil instead of petroleum. At its annual Customer Care Conference, Goodyear Tire and Rubber Co. showed off some of the research that is taking place with alternative methods of tire manufacturing.

DHL Express is rolling out a new fleet of 63 electric delivery vans in the United States as part of the German company’s goal to reduce logistics-related emissions to zero by 2050.

LAS VEGAS — Suppliers of a variety of products and services for the aftermarket announced developments here during Heavy Duty Aftermarket Week.

The U.S. Environmental Protection Agency plans to tailor its new glider truck emissions standard to help protect the glider industry from “going out of business or substantially reducing its economic growth potential,” agency chief Andrew Wheeler said in a document sent to Congress.

All Transport Topics articles are now available in audio. Listen on demand to narrated stories covering trucking and transportation news.

For Mack Trucks, 2018 was a good year. While the company’s market share declined slightly, Mack had its best year of production since 2015 and orders flew in at a double-digit clip, keeping the manufacturer’s Lower Macungie Township plant busy as it tried to keep up with demand.

Trucking groups prepared their drivers with tips on operations and safety as a polar vortex gripped the Midwest, delivering extremely cold temperatures and harsh wind chills.

Self-driving truck startup Embark has issued a voluntary report on the performance of its automated trucks, providing a more detailed look at its testing process and the current capabilities of its technology.