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Threatened by possible shortages of lithium for electric car batteries, automakers are racing to lock in supplies of the mineral in a politically and environmentally fraught competition.

China’s Guangzhou Automobile Group Co. said it has developed the world’s first car engine that runs on ammonia, adding to new energy solutions that reduce carbon emissions.

The Federal Motor Carrier Safety Administration is seeking approval from the Office of Management and Budget to do a study related to truck drivers and advanced driver-assistance systems.

Companies including PepsiCo Inc. and Nike Inc. are calling for the European Union to implement stricter emissions targets for trucks, which the firms say will lower costs in the long run.

WASHINGTON — The U.S. Department of Transportation is awarding almost $1.7 billion in grants for buying zero- and low-emission buses, with the money going to transit projects in 46 states and territories.

AUSTIN, Texas — In addition to expanding its own product offerings, Samsara is investing in other technology companies that are developing innovative products and services.

Volvo Trucks North America is working with the University of Minnesota and two fleets on testing of Volvo's Class 8 VNR Electric model to assess the impact of temperature on battery life.

NHTSA has launched a preliminary evaluation into complaints involving automatic emergency braking system errors on certain Freightliner Cascadia trucks. 

With more drivers and equipment to manage, some fleet operators have implemented technology to help navigate the complexity of the industry’s regulations and better manage safety audits.