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Center for Environmental Excellence | AASHTO
Center for Environmental Excellence | AASHTO
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  • Laws & Agreements
    • Programmatic Agreements Library (PAL)
    • Case Law Updates on the Environment (CLUE)
    • National Environmental Policy Act (NEPA)
    • NEPA Assignment
  • State of the Practice
    • Case Studies
    • Communities of Practice
    • Practitioner Interviews
  • Education
    • Environmental Topics
      • Active Transportation
      • Air Quality
      • Climate Change
      • Environmental Justice
      • Invasive Species/Vegetation
      • Stormwater
      • Sustainability
      • Traffic Noise
      • Waste Management/Recycling
      • Water Quality/Wetlands
      • Wildlife and Ecosystems
    • Practical Applications
      • Context Sensitive Solutions
      • Emerging Technologies
      • Environmental Management Systems
      • Geographic Information Systems
      • NEPA Process
      • Planning & Environment Linkages
      • Project Delivery
      • Protecting Cultural Resources
      • Public Involvement
      • Transportation Policy
      • Using the Practitioner’s Handbooks
  • News
  • Meetings & Events
    • Past Events
  • Resources
    • Practitioner’s Handbooks
    • AASHTO Publications
    • AASHTO Standing Committees
    • Federal & State Agencies
    • Trade Associations
    • Research
      • NCHRP 25-25
      • TERI Database
      • TRB Committees

Fuel Efficiency

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  2. Category "Fuel Efficiency"

NHTSA Issues New Vehicle Fuel Mileage Standards

By April 7, 2022

The National Highway Traffic Safety Administration has issued new Corporate Average Fuel Economy or CAFE standards that require an industry-wide fleet average of approximately 49 miles per gallon for passenger…

EPA Proposes New Emission Rules for Trucks, Engines

By March 17, 2022

The U.S. Environmental Protection Agency plans to introduce stricter heavy-duty vehicle and engine emission rules starting in model year 2027. [Above photo by the Missouri DOT] The proposed standards would reduce emissions of…

Colorado DOT Helps Craft Clean Truck Strategy

By March 10, 2022

The Colorado Department of Transportation, the Colorado Energy Office, and the Colorado Department of Public Health & Environment recently unveiled the daft of a “Clean Truck Strategy” that seeks to…

California Governor Proposes Zero Emission Vehicle Package

By February 3, 2022

Governor Gavin Newsom (D) (seen above) has introduced a $6.1 billion zero-emission vehicle or ZEV fiscal support package to accelerate the state’s transition to ZEVs and “fight climate change” in the…

New EPA Rule Mandates 55 MPG by Model Year 2026

By January 6, 2022

The Environmental Protection Agency is finalizing new federal greenhouse gas or GHG emissions standards for passenger cars and light trucks for model years 2023 through 2026 – establishing a 55 miles…

Grants Issued to Replace Aging Diesel Transit Buses in Ohio

By December 23, 2021

The Ohio Diesel Emissions Reduction Grant or DERG program recently awarded six grants totaling more than $9 million for replacing 25 aging diesel transit buses with cleaner diesel or alternative…

Ohio Unveils Connected Mobility Corridor

By September 23, 2021

The recently opened 33 Smart Mobility Corridor in central Ohio is a connected highway project that seeks to enhance motor vehicle safety, reduce traffic congestion, and improve fuel economy. [Above…

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The Center for Environmental Excellence by the American Association of State Highway and Transportation Officials (AASHTO) has been developed in cooperation with the Federal Highway Administration to promote environmental stewardship and to encourage innovative ways to streamline the transportation delivery process.

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