Truck Emissions Requirements
The Environmental Protection Agency (EPA) and National Highway Traffic Safety Administration (NHTSA) recently released Phase 2 of the federal greenhouse gas emissions and fuel efficiency standards. The new standards will regulate trailers for the first time, and the separate engine fuel-efficiency standards would be put into play via steps from existing 2017 standards to those required in 2021, 2024 and 2027. Experts expect compliance with the engine standards will be attained by leveraging:
- Variable valve timing
- Friction reduction
- Reduced parasitic loads
- Improvements in the exhaust gas recirculation, combustion and fuel injection systems
The new rule’s overall CO2 reductions would primarily come from deploying engine efficiency improvements, advanced automatic transmissions, lower rolling resistance tractor tires, improved tractor aerodynamics, anti-idling devices and additional driveline and accessory technologies that are currently seeing increased adoption across Class 7-8 fleets.
Heavy Duty Pickup Trucks and Vans
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