U.S. officials announced a $1.6 billion deal with Toyota's Hino Motors unit to settle charges it deceived regulators about the amount of emissions spewed by its diesel engines.

Toyota’s heavy-duty trucking unit was fined $1.6 billion on Wednesday over fraudulent emissions testing and other violations.

A Toyota Motor Corp unit agreed to plead guilty and pay over $1.6 billion in a settlement with U.S. government agencies to settle violations related to an emissions fraud scheme, the U.S. Justice Department said in a statement on Wednesday.

Hino Motors will plead guilty to submitting false emissions data to regulators for more than 100,000 heavy-duty trucks. The company will pay an array of fines, and fix some affected vehicles for free.

A Toyota subsidiary has agreed to pay more than $1.6 billion and plead guilty for violations related to the submission of false and fraudulent engine emission testing and fuel consumption data to regu

Hino Motors, a Toyota subsidiary, will plead guilty to conspiracy charges and pay penalties for deceiving regulators about its diesel engines, the E.P.A. said.

Toyota subsidiary Hino Motors has agreed to pay $1.6bn (£1.3bn) and plead guilty to deceiving US regulators about the amount of emissions produced by its diesel engines, according to the firm and US government agencies.