Sometimes rules help
Phase 2 GHG offers a clear outline for the future
The future just got a bit clearer for anyone running trucks. The U.S. Environmental Protection Agency has finally released the rules that will shape truck fuel economy through 2027, giving manufacturers and their engineers well-defined targets as they explore ways to push truck efficiency to some very high levels.
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Source:: http://fleetowner.com/running-green/sometimes-rules-help
