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“We have heard loud and clear from small businesses across the United States that the current DEF system is unacceptable," EPA Administrator Lee Zeldin said.

Daimler, International, Paccar and Volvo Group are suing the California Air Resources Board on grounds that federal actions vacated the state’s efforts to enforce its own emissions rules.

“We’re accelerating the development of autonomous driving technology capable of operating without active human oversight,” spokeswoman Chaiti Sen said in a statement.

The lithium mine closure has spurred speculation that Beijing might move to suspend other projects as it tackles overcapacity across the economy.

It's a sign that the safety regulator is keeping close tabs on Tesla's so-called Full Self-Driving technology.

Environmental permitting policy directives regarding housing, energy infrastructure and surface transportation upgrades are high on the list, according to the EPW chairwoman. 

U.S. auto safety regulators granted an exemption to federal vehicle safety standards for purpose-built driverless cars made by Zoox, the Transportation Department said in a statement.

More than 1,200 truckers have been removed from U.S. highways since late June for being unable to communicate adequately in English or read English-language highway signs.

The filing came the same day Tesla directors disclosed their decision to grant Elon Musk an interim stock award — valued at $30 billion — while a legal fight over his 2018 pay package drags on.

The federal government had already approved 657 waivers to allow companies such as Amazon and major utilities to do this in certain circumstances, but the waiver process made it difficult.