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Four environmental services companies have submitted a joint application for exemption from hours-of-service regulations to the Federal Motor Carrier Safety Administration.

Ryder System Inc. announced it is using Uber Central to transport drivers and technicians more easily to and from Ryder and customer locations, resulting in less downtime.

Last week, President Donald Trump proposed gutting California’s unique ability to write greenhouse gas emission limits for cars and trucks.

Self-driving vehicles typically are described as a disruptive technology that will make traditional modes of public transportation obsolete, but a recent announcement by Chandler-based Waymo is challenging that narrative.

The Trump administration’s plan to ease vehicle-emission mandates lifts some burdens for automakers but also would strip away options that have made it easier for them to comply and have encouraged the development of electric cars.

Highly computerized cars or trucks could mean consumers’ data is vulnerable or the driver safety might be endangered if car companies aren’t prepared to cut off at the pass any data breach or threat to cybersecurity.

Legislation that would provide $1 billion in infrastructure grants and would extend the electronic logging device waiver for livestock haulers for the next fiscal year easily passed the Senate on Aug. 1.

Sacramento has signed a deal with a Silicon Valley firm to use downtown streets as a testing ground for self-driving vehicles that will be monitored by remote “drivers” sitting at computers.