Phase 2 GHG rules cast broad net

Federal agencies also working to fix “misalignment” between Phase 1 EPA GHG standards and NHTSA fuel efficiency standards to eliminate differences.

The final Phase 2 greenhouse gas (GHG) rules governing heavy-duty trucks and engines issued today by the Environmental Protection Agency (EPA) and National Highway Traffic Safety Administration (NHTSA) – a rule that covers 1,690 pages – will seek to tighten oxides of nitrogen (NOx) and methane emissions as well as “clarify” the classification of natural gas engines and other gaseous-fueled he

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Source:: http://fleetowner.com/regulations/phase-2-ghg-rules-cast-broad-net