More in Regulations

  • Aug 29, 2016
    Commentary

    The case for speed limiters: More political than technical? 2

    Is the Dept. of Transportation “cherry picking” research to support the rulemaking to require speed limiters in heavy-duty commercial vehicles? At least one source—a study that is cited often as providing evidence to support the rule—raises a number of concerns the DOT glosses over, or ignores altogether, including speed differentials, driver fatigue, fuel efficiency, and the overall cost-benefit analysis....More
  • Aug 18, 2016
    Article
    Fleet Owner

    Thinking outside the GEM box: Q&A with Eaton on Phase 2 powertrain efficiency

    Hand-in-hand with the GHG Phase 2 final rule is the Greenhouse Gas Emissions Model (GEM), which defines and assigns values to fuel efficiency-increasing technologies for testing compliance with goals the rule sets. Eaton Corp. says compliance testing was improved by allowing for more flexible powertrain consideration....More
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