Breaking down the final Phase 2 rules

The Environmental Protection Agency (EPA) and National Highway Traffic Safety Administration (NHTSA) officially rolled out “Phase 2” greenhouse gas (GHG) and fuel efficiency rules this week aimed at four distinct commercial equipment types: Class 7 and 8 tractors, trailers, heavy-duty pickup trucks and vans, plus vocational vehicles.

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Source:: http://fleetowner.com/regulations/breaking-down-final-phase-2-rules