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The International Brotherhood of Teamsters says UPS Inc. has agreed to equip its delivery and logistics vehicles with air conditioning systems, a key point in contract negotiations. 

U.S. Class 8 retail sales in May rose 16.4% from a year ago and also saw a month-to-month gain, Wards Intelligence reported.

With its potential use and broader recharging capabilities, the medium-duty truck market will adopt battery-electric vehicles faster than the heavy-duty one will, experts say.

New York City officials will experiment this summer on a new system using delivery trucks to drop goods at special off-street or curbside microhubs.

Tesla Inc. may earn as much as $3 billion by 2030 thanks to deals with Ford Motor Co. and General Motors Co. for their electric vehicles to use its charging network, according to one analyst.

A new high-temperature steel alloy rendering engines more durable and efficient has been developed by a team from Cummins Inc. and Oak Ridge National Laboratory.

DETROIT — General Motors said it will sink more than $500 million into its Arlington, Texas, assembly plant to get ready for the next generation of big SUVs with internal combustion engines.

DETROIT — Electric vehicles made by General Motors will be able to use much of Tesla’s charging network beginning early next year under an agreement the two companies announced June 8.

A federal agency has ruled that an Alabama chassis manufacturing company knowingly imported chassis from China that were being marketed as having been made in a Vietnamese factory.