NHTSA Issues Interpretive Rule Ending Fuel Efficiency Regulation Of Standalone Medium And Heavy-Duty Truck Engines, Says It Lacks Statutory Authority Over Non-Vehicle Components; Existing Standards Unchanged Pending Rulemaking

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NHTSA Issues Interpretive Rule Ending Fuel Efficiency Regulation Of Standalone Medium And Heavy-Duty Truck Engines, Says It Lacks Statutory Authority Over Non-Vehicle Components; Existing Standards Unchanged Pending Rulemaking | WAPE

NHTSA Issues Interpretive Rule Ending Fuel Efficiency Regulation Of Standalone Medium And Heavy-Duty Truck Engines, Says It Lacks Statutory Authority Over Non-Vehicle Components; Existing Standards Unchanged Pending Rulemaking

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