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A deal designed to force compliance with tougher emissions standards is at risk after the Trump administration intervened.
By Peter Eavis
President Trump’s onslaught against California’s environmental policies is emboldening big truck makers to turn away from a landmark clean air deal that they struck with the state.
The deal required the truck makers to obey two clean air rules even if the rules were later challenged. In return for that commitment, California significantly softened one of the rules, which requires the sale of cleaner diesel trucks.
