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  2. Transportation, Air Pollution, and Climate Change

A-Z Index for Transportation, Air Pollution, and Climate Change related Topics

A B C D E F G H I K L M N O P Q R S T U V W

 

A

  • additives
  • advisory circulars
  • aftermarket device
  • aftermarket retrofit device evaluation program
  • air quality
  • air toxics
  • aircraft
  • aircraft air pollution endangerment
  • airplanes
  • ALPHA (Advanced Light-Duty Powertrain and Hybrid Analysis Tool)
  • alternative fuel
  • alternative fuel conversion
  • alternative fuel vehicles report
  • AP-42
  • ATV (All Terrain Vehicle)
  • auto buying
  • automobiles
  • automobile fuel efficiency
  • Automotive Trends Report
  • aviation

B

  • benzene
  • biodiesel fact sheets, alternative fuels
  • boat
  • boutique fuels
  • bus
  • bus retrofit

C

  • CAP 2000
  • California waivers and authorizations
  • Canadian vehicles
  • car label (also known as fuel economy and environment label)
  • cars and light trucks
  • carbon monoxide (CO)
  • CDX (Central Data Exchange) - fuel reporting
  • certificates of conformity
  • certification
  • Clean Air Act & Motor Vehicles (pdf) (7 pp, 61 K)
  • Clean Diesel
  • Clean School Bus
  • climate and transportation
  • conformity
  • contrails
  • compliance
  • compliance fees
  • CI (compression ignition)
  • contact information for EPA's Office of Transportation and Air Quality
  • construction equipment
  • Conventional Gasoline Parameters
  • cross-border sales (pdf) (7 pp, 176 K)

D

  • Dear Manufacturer Letters
  • DERA funding
  • Diesel Emissions Quantifier
  • diesel fuel
  • diesel fuel reporting forms
  • diesel fuel in Alaska and U.S. territories
  • diesel grants
  • diesel programs and regulations
  • diesel rebate
  • diesel requests for proposals
  • diesel technologies
  • dirt bike
  • Document Index System
  • driving cycle
  • durability
  • dynamometer

E

  • E15
  • EISA 141, federal fleets using low greenhouse gas emitting vehicles
  • electric vehicles
  • emission factor model
  • emission inventory
  • emission factors research
  • emission standards - light-duty vehicles and trucks
  • Emission Standards Reference Guide
  • ECA (Emission Control Area) designation
  • emissions measurement
  • emissions test data
  • employment opportunities
  • engine and vehicle certificate void actions
  • Engine Certification Information Center
  • EMTS (EPA Moderated Transaction System)
  • evaporative emissions
  • EV-CIS (Engines and Vehicles Compliance Information System), formerly the Verify System
  • exhaust
  • exporting U.S. vehicles and engines

F

  • FACA Modeling Workgroup
  • farm equipment
  • fast facts on transportation greenhouse gas emissions
  • FCA (Fiat Chrysler Automobiles) diesel vehicle violations
  • FCA (Fiat Chrysler Automobiles) gasoline vehicles voluntary recall
  • federal fleets
  • Federal Register Notices for EPA's Office of Transportation and Air Quality
  • Federal Test Procedure (FTP) Revisions
  • fees for vehicle and engine compliance
  • form, 3520
  • fuel additives
  • fuel economy
  • fuel economy data
  • fuel economy labels
  • fuel economy standards
  • Fuel Economy Trends Report (now referred to as the Automotive Trends Report)
  • fuel efficiency
  • fuel models
  • FFARs (fuels and fuels additives registration
  • fuels and fuels additives reporting
  • fuels compliance
  • fuels reporting registration
  • fuels waivers

G

  • gas mileage tips
  • gas guzzler tax
  • gasoline fuel
  • gasoline sulfur reporting forms
  • Gasoline Trends Report
  • grants and funding
  • Green Vehicle Guide
  • GHG (greenhouse gas) emission estimation
  • GEM (greenhouse gas emission model)
  • greenhouse gas emissions
  • ground level ozone
  • guidance letters

H

  • Hardship Relief for Equipment Manufacturers Participating in TPEM
  • health effects
  • heavy-duty trucks and vehicles
  • heavy-duty GHG (greenhouse gas) national program
  • highway motorcycles
  • highway diesel
  • hybrid vehicles

I

  • idling
  • idle reduction, National Clean Diesel
  • I/M 240
  • I/M (inspection and maintenance) program
  • importing vehicles and engines
  • import form
  • ICI (Independent Commercial Importers)
  • inspection
  • in-use exhaust deterioration
  • inventory

K

  • kit car

L

  • landscaping equipment
  • large ships
  • large spark-ignition engines
  • lawn and garden equipment
  • LEV (Low Emission Vehicle)
  • lifecycle analysis of greenhouse gas emissions under Renewable Fuel Standard
  • light-duty vehicle and engine certification
  • light-duty vehicles
  • light-duty vehicle GHG national program
  • locomotives
  • LPM (lumped parameter model)

M

  • maintenance
  • manufacturer's guidance letters
  • marine diesel
  • marine spark-ignition
  • MARPOL
  • MTE (Midterm Evaluation of Light-duty Vehicle Standards for Model Years 2022-2025)
  • mileage
  • milestones in emissions solutions
  • MOBILE model
  • Mobile Source Emission Factors Research
  • Mobile Source Observation Database (MSOD)
  • Mobile Source Pollution and Related Health Effects
  • models
  • monitoring mobile source pollution
  • motorcycles
  • MOVES
  • MPG (miles per gallon)
  • MSAT (Mobile Source Air Toxics)

N

  • NVFEL (National Vehicle and Fuel Emissions Laboratory)
  • NLEV (National Low Emission Vehicle Program)
  • near roadway air pollution and health
  • NMIM (National Mobile Inventory Model)(pdf) (27 pp, 154 K)
  • nitrogen oxides
  • nonconformance penalties (pdf) (4 pp, 14 K)
  • nonroad confirmatory testing
  • nonroad vehicles and engines regulations for emissions
  • NONROAD model

O

  • OBD (On-Board Diagnostics)
  • ocean vessels
  • off-road motorcycle/off-highway motorcycle
  • office description & organization
  • OMEGA (Optimization Model for reducing Emissions of Greenhouse Gases from Automobiles)
  • on-road greenhouse gas emission estimation
  • onroad vehicles and engines
  • ORVR (On-Board Refueling Vapor Recovery)
  • oxyfuel
  • oxygenated gasoline
  • OTC (Ozone Transport Commission)

P

  • plane
  • plug-in hybrid electric vehicles
  • pollution
  • Ports Initiative
  • press releases for EPA's Office of Transportation and Air Quality

Q

  • Quantifier, Diesel Emissions

R

  • railroad
  • recall
  • recent additions to EPA's Office of Transportation and Air Quality website
  • recreational vehicles
  • RFG (reformulated gasoline)
  • reformulated gasoline (RFG) survey data
  • reformulated gasoline reporting form
  • RVP (reid vapor pressure)
  • regulations for emissions from vehicles and engines
  • regulations for emissions from small equipment & tools
  • renewable fuel
  • RFS (renewable fuel standard)
  • RIN (renewable identification number data and analysis)
  • RFS Attest Engagements - 2013
  • RFS Exemptions for Small Refineries
  • RFS lifecycle analysis of greenhouse gas emissions
  • RFS2 compliance
  • RFS2 regulations
  • renewable fuel standard reporting form
  • RFS2 data

S

  • ship
  • SIPs (State Implementation Plans)
  • small nonroad spark-ignition equipment & tools
  • small refinery Renewable Fuel Standard exemptions
  • SmartWay
  • snowmobile
  • standards
  • State and Local Transportation
  • state fuels
  • sulfur and benzene credit trading

T

  • tailpipe emissions
  • tampering and warranty
  • TAR (Technical Assessment Report)
  • Technology Verification
  • test data
  • testing
  • Tier 1
  • Tier 2 motor vehicle emission standards and gasoline sulfur control requirements
  • Tier 2 gasoline reporting form
  • Tier 3 Vehicle Emission and Fuel Standards Program
  • Tier 4
  • toxics
  • train
  • TPEM (Transition Program for Equipment Manufacturers)
  • transportation conformity
  • Transportation Related Documents for State and Local Transportation
  • Trends - Automotive Trends Report
  • trucks and buses
  • TEAM (Travel Efficiency Assessment Method)

U

  • ULSD (ultra low sulfur diesel)

V

  • Vehicle Emissions Guide
  • vehicles and engines
  • vehicle and fuel emissions testing
  • vehicle testing regulations
  • verification (Clean Diesel Program)
  • Verify (now called Engines and Vehicles Compliance Information System (EV-CIS))
  • vessel
  • violations and recalls of vehicles and engines
  • volatility
  • Volkswagen violations

W

  • warranty
  • what you can do to reduce pollution from vehicles and engines
  • watercraft

Transportation, Air Pollution, and Climate Change

  • Overview
  • What You Can Do
  • Accomplishments & Successes
  • Transportation & Carbon Pollution
  • Other Air Pollution
Contact Us About Transportation, Air Pollution, and Climate Change
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on February 13, 2025
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