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Resources: Transportation
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Corresponding Web Notes: Transportation (pptx / pdf / key)


NOTE:
CITED U.S. GOVERNMENT SOURCES MAY NOW HAVE DISAPPEARED DUE TO THE FOLLOWING
(but my cached copies remain online)

"On December 1, 2025, the US Department of Energy changed the laboratory's name from "National Renewable Energy Laboratory" to "National Laboratory of the Rockies", stating that the new name "reflects laboratory’s expanding mission under the Trump Administration"

National Laboratory of the Rockies, Wikipedia (link / cached copy)

"Disappearing Data: Trump Administration Removing Climate Information from Government Websites"

National Security Archive, George Washington University, February 2025 (link / cached copy)



Energy Consumption & Environmental Impacts of Transportation:

Global Energy Consumption:

Energy, Hannah Ritchie and Max Roser, OurWorldInData.org, July 2018 (link / cached copy)

International Energy Outlook 2019 - With Extrapolations to 2050, U.S. Energy Information Administration (EIA), (link / cached copy)

My spreadsheet creating combined OECD + non-OECD figure from report's data (link)

World Energy Balances - Overview - 2020, International Energy Agency (IEA) (link / cached copy)

Key World Energy Statistics - 2019, International Energy Agency (IEA) (link / cached copy)

International Energy Outlook 2016, U.S. Energy Information Administration (EIA), (link / cached copy)

Global Transportation Energy Consumption - Examination of Scenarios to 2040 using ITEDD - U.S. Energy Information Administration (EIA), 2017 (link / cached copy

Global Transportation Demand Development with Impacts on the Energy Demand and Greenhouse Gas Emissions in a Climate-Constrained World, Khalili et al., Energies 12, p. 3870 (2019) (link / cached copy)

Energy Efficiency in Transport, Wikipedia (link / cached copy)

U.S. Energy Consumption:

U.S. Energy Flow - 2018, U.S. Energy Information Administration (EIA) (link / cached copy)

Use of Energy for Transportation - In Depth, U.S. Energy Information Administration (EIA) (link / cached copy)

Transportation Statistics Annual Report - 2018, U.S. Department of Transportation (DOT) (link / cached copy)

Global Greenhouse Gas Emissions:

Transport, Chapter 8, Climate Change 2014: Mitigation of Climate Change - Contribution of Working Group III to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC) (link / cached copy)

A Global Snapshot of the Air Pollution Related Health Impacts of Transportation Sectors in 2010 and 2015 - International Council on Clean Transportation (ICCT), 2019 (link / cached copy)

Environmental Impact of Transport, Wikipedia (link / cached copy)

U.S. Greenhouse Gas Emissions:

Inventory of U.S. Gas Emissions and Sinks: 1990 - 2022, Environmental Protection Agency, 2024, Section 2.2: Emissions from all sources / Section 4.1 Emissions due to cement production (link / cached copy)

Fast Facts on Transportation Greenhouse Gas Emissions, Archive version, U.S. Environmental Protection Agency (EPA), 2017 (link / cached copy)

Unique Impacts / Concerns Regarding Transport Via:

Cars:

2019 Automotive Trends Report - Greenhouse Gas Emissions, Fuel Economy, and Technology since 1975, U.S. Environmental Protection Agency (EPA) (link / cached copy)

The Damage Done, Gas Addiction Edition -- How Detrimental Is Petrol? Thomas.net 2012 (link / cached copy)

Obama Administration Finalizes Historic 54.5 MPG Fuel Efficiency Standards, ObamaWhitehouse.archives.gov (link / cached copy)

Trains:

The Future of Rail - Opportunities for Energy and the Environment - International Energy Agency (IEA), 2019 (link / cached copy)

Planes:

Aviation Emissions Impacts and Mitigation - A Primer, U.S. Federal Aviation Administration (FAA), 2015 - (note that while plots of aircraft emissions in this report include data on pollutants and secondary GHG's, data on the major GHG's of CO2 and methane are not provided) (link / cached copy)

CO2 Emissions from Commercial Aviation, International Council on Clean Transportation (ICCT), 2018  (link / cached copy)

'Worse Than Anyone Expected’: Air Travel Emissions Vastly Outpace Predictions, New York Times, September 2019 (link / cached copy

Environmental Impact of Aviation, Wikipedia (link / cached copy)

Ships:

Comprehensive Studies:

Reducing Greenhouse Gas Emissions from Ships - Cost Effectiveness of Available Options, International Council on Clean Transportation (ICCT), 2011 (link / cached copy)

Greenhouse Gas Emissions from Global Shipping 2013-2015, International Council on Clean Transportation (ICCT), 2017 (link / cached copy)

Black Carbon and Co-Pollutants from Incomplete Combustion, Climate & Clean Air Coalition (link / cached copy)

Decarbonising Maritime Transport by 2035, Organization for Economic Cooperation & Development (OECD)  (link / cached copy)

Press Reports:

U.S. Study Warns of Pollution from Merchant Ships off Florida Coast, Guardian 2009 (link / cached copy)

Slowing Cargo Ships More Than Halves Pollution near Ports, Scientific American 2012 (link / cached copy)

Carbon Dioxide from Ships at Sea to be Regulated for First Time, The Guardian 2018 (link / cached copy

Health Risks of Shipping Pollution have been Underestimated, Guardian 2019 (link / cached copy)

How Power is Expended in Different Modes of Transport:

Sustainable Energy without the Hot Air, David J.C. MacKay, UIT, ISBN 978-0-9544529-3-3

Author's website offering free multi-language chapter viewing & downloads (link)

Technical chapter: Cars II (link)

Technical chapter: Planes II (link)

Trains:

The Future of Rail - Opportunities for Energy and the Environment - International Energy Agency (IEA), 2019 (link / cached copy)

Ships:

Study on Energy Efficiency Technologies for Ships (ECOFYS) - European Union, 2014 (link / cached copy

Ship Energy Efficiency Measures - Status and Guidance, ABS Energy Efficiency Advisory (link / cached copy)

Basic Principles of Ship Propulsion, ManDieselTurbo.com (link / cached copy)

Reducing Fuel Consumption In Shipping Via Propulsion Efficiency, Howden.com (link / cached copy

How to Design a More Efficient Ship (Part I), gCaptain.com, 2012 (link / cached copy)

How to Propel a More Efficient Ship (Part II), gCaptain.com, 2012 (link / cached copy

Possible Energy Saving Technologies for:

Cars & Trucks:

See separate web note set: Green(er) Cars & Trucks (pptx / pdf / key)

Trains:

Shinkansen, Wikipedia (link / cached copy)

Hyperloop, Wikipedia (link / cached copy)

The Future of Rail - Opportunities for Energy and the Environment - International Energy Agency (IEA), 2019 (link / cached copy)

Technologies and Potential Developments for Energy Efficiency and CO2 Reductions in Rail Systems - International Railways Union (UIC), 2016 (link / cached copy)

Planes:

Mitigation of Aviation's Environmental Impact, Wikipedia (link / cached copy)

Route Optimization:

Air Traffic Control, Wikipedia (link / cached copy

Use of Lightweight Composites:

Composites in the Aircraft Industry, Appropedia.org (link / cached copy)

Advanced Lightweight Aircraft Design Configurations for Green Operations, Marino et al., Practical Responses to Climate Change Conference, Australia, November 2014 (link / cached copy

Light-Weighting in Aerospace Component and System Design, Zhu et al., J. Propulsion and Power Research 7(2), pp. 103-119 (2018) (link / cached copy)

More Efficient Jet Engines:

Jet Engine, Wikipedia (link / cached copy)

Turboprop, Wikipedia (link / cached copy)

How a Turboprop Engine Works, BoldMethod.com (link / cached copy)

Turbofan, Wikipedia (link / cached copy)

Pratt & Whitney PW1000G (geared turbofan), Wikipedia (link / cached copy

The Billion-Dollar Bet On Jet Tech That's Making Flying More Efficient, Forbes 2013 (link / cached copy)

Geared Turbofan Engine, Airplane Geeks Podcast (link / cached copy)

What is a High-Bypass Geared Turbofan, and Why is it so Much More Efficient? AviationStackExchange.com (link / cached copy)

Geared Turbofan, Wikipedia (link / cached copy)

Rolls Royce Trent (geared turbofan), Wikipedia (link / cached copy)

The Future of Flight, Rolls Royce (link / cached copy)

Advance and Ultrafan, Rolls Royce (link / cached copy)

All Electric Planes?

Electric Aircraft, Wikipedia (link / cached copy)

Boeing 777, Wikipedia (link / cached copy)

Electric Aircraft - The Future of Aviation or Wishful Thinking? Phys Org, Aug 2015 (link / cached copy)

The Age of Electric Aviation Is Just 30 Years Away, Wired, May 2017  (link / cached copy)

Electric Flight is Coming, but the Batteries Aren't Ready,The Verge, Aug 2017 (link / cached copy

Preparing for Electric Flight, Royal Aeronautical Society, Aug 2017  (link / cached copy)

The Long Road to an Electric Airplane Motor, ZDNet, Sept 2018  (link / cached copy)

Short Hops, Clear Air and the Sweet Spot for Electric Aircraft, NewAtlas 2019 (link / cached copy)

 World’s Largest All-Electric Aircraft Set for First Flight, The Guardian, May 2020 (link / cached copy)

Biofueled Aviation:

Hereʼs What it Will Take to Get Aviation Biofuels off the Ground, GreenBiz.com, 2018 (link / cached copy

Ships:

Study on Energy Efficiency Technologies for Ships (ECOFYS) - European Union, 2014 (link / cached copy

Reducing Greenhouse Gas Emissions from Ships - Cost Effectiveness of Available Options, International Council on Clean Transportation (ICCT), 2011 (link / cached copy)

Bulbous Bow, Wikipedia (link / cached copy)

Ship Energy Efficiency Measures - Status and Guidance, ABS Energy Efficiency Advisory (link / cached copy)

Basic Principles of Ship Propulsion, ManDieselTurbo.com (link / cached copy)

Reducing Fuel Consumption In Shipping Via Propulsion Efficiency, Howden.com (link / cached copy

How to Design a More Efficient Ship (Part I), gCaptain.com, 2012 (link / cached copy)

How to Propel a More Efficient Ship (Part II), gCaptain.com, 2012 (link / cached copy

GREEN Cell Shipping, Wikipedia (link / cached copy)

Green Ship of the Future, OECD (link / cached copy)

The Role of Technology in Green Ship Design, Cheng & Hirdaris, Keynote Address, 11th Int. Marine Design Conf. 2012 (link / cached copy

Study of Green Shipping Technologies - Harnessing Wind, Waves and Solar Power in New Generation Marine Propulsion Systems,  Rutkowski, Int. J. on Marine Navigation & Safety of Transportation 10 (4), pp. 627-32, 2016 (link / cached copy)

Future Sailors: What will Ships Look Like in 30 Years? The Guardian 2018 (link / cached copy)

14 Technologies to Make the Ultimate Green Ship, MarineInsight.com 2019 (link / cached copy)

$5bn Fund Unveiled for Climate-Friendly Shipping, BBC 2019 (link / cached copy

Eco Marine Power Research Institute R&D (link / cached copy

All Electric Ships?

Most Powerful Diesel Engine in the World, NewAtlas.com 2004 (link / cached copy

New High-Economy Engines for Panamax Container Ships and Large Tankers, DieselDuck.info 2007  (link / cached copy)

Panamax, Wikipedia (link / cached copy)

How long does it take to ship from China? ChinaImportal.com 2018 (link / cached copy)

Calculating Container Shipping Time, TheODMgroup.com  (link / cached copy)

A Behind the Scenes Take on Lithium-Ion Battery Prices, BloombergNEF.com (link / cached copy)

Container Ship, Wikipedia (link / cached copy)

How Much Do Cruise Ships Cost? And Why Are They So Expensive? CheatSheet.ocm (link / cached copy)

China Launches World’s First All-Electric Cargo Ship, OilPrice.com 2017 (link / cached copy)

Ammonia Powered Ships?

Today's carbon-intensive synthesis/separation of nitrogen, hydrogen & ammonia:

Air Separation, Wikipedia (link / cached copy)

Hydrogen Production, Wikipedia (link / cached copy)

Technologies for Hydrogen Production, National Energy Technology Laboratory, U.S. Department of Energy (link / cached copy)

Hydrogen Production & Distribution, International Energy Agency (IEA) 2014 (link / cached copy)

The Hydrogen Economy: Opportunities, Costs, Barriers, and R&D Needs, U.S. National Academies (2004) (link / cached copy)

Steam Reforming, Wikipedia (link / cached copy)

Haber Process, Wikipedia (link / cached copy

Tomorrow's "de-carbonized" synthesis/separation of nitrogen, hydrogen & ammonia:

Electrolysis of Water, Wikipedia (link / cached copy)

Hydrogen from Renewable Power, International Renewable Energy Agency (IRENA) 2018 (link / cached copy)

Options for Producing Low-Carbon Hydrogen at Scale, The Royal Society  2018 (link / cached copy)

Ammonia: Zero-Carbon Fertiliser, Fuel and Energy Store, The Royal Society 2020 (link / cached copy)

Electro-Synthesis of Ammonia from Nitrogen at Ambient temperature and Pressure in Ionic Liquids, Zhou et al., Energy & Environmental Science 10, pp. 2516-20 (2017) (paywalled link

Press Summary: Ammonia - A Renewable Fuel Made from Sun, Air, and Water - Could Power the Globe without Carbon, Science Magazine 2018 (link / cached copy)

Energy-Efficient Ammonia Production from Air and Water Using Electrocatalysts with Limited Faradaic Efficiency, Hollevoet et al., ACS Energy Letters 5, pp. 1124-27 (2020) (link / cached copy)

The many ways in which ammonia might power ships:

Solid Oxide Fuel Cell, Wikipedia (link / cached copy)

Technologies to use Carbon Free Ammonia in Power Plant (including description of a prototype Ammonia Solid Oxide Fuel Cell), Suda et al., IHI Corporation, presented at the NH3 Energy Implementation Conference, November 2018 (link / cached copy)

A Preliminary Study on an Alternative Ship Propulsion System Fueled by Ammonia: Environmental and Economic Assessments, Kim et al., J. Marine Science and Engineering 8, p. 183 (2020), (link / cached copy)

Safe and Effective Application of Ammonia as a Marine Fuel, Niels de Vries, University of Delft:

Thesis (link / cached copy) / Appendix (link / cached copy)

Press summary: New Research Shows Benefits of Ammonia as Marine Fuel, MaritimeExecutive.com 2019 (link / cached copy)

Roadmap to Decarbonising European Shipping, TransportEnvironment.org 2018 (link /cached copy)

Development of Direct Ammonia Fuel Cells, Ammonia Energy Association  (link / cached copy)

Ammonia Energy Association (link / cached copy)

ShipFC: Major Project to Convert Offshore Vessel to Run on Ammonia-Powered Fuel Cell, VPOGlobal.com 2020 (link / cached copy)

News & trade press articles about ammonia-powered ships:

Prototech Awarded Contract to Supply 2MW Zero-Emission Ammonia Fuel Cell Module, Protech.no press release, 2020 (link / cached copy

Offshore Vessel to Run on Ammonia-Powered Fuel Cell, MaritimeExecutive.com 2020 (link / cached copy)

Ammonia as a Green Shipping Fuel: The Viking Energy Project, AzoCleanTech.com 2020 (link / cached copy

Ammonia Flagged as Green Shipping Fuel of the Future, Financial Times 2020 (link / cached copy

Lloydʼs Register on How Ammonia can be the Ideal Renewable Marine Fuel, ShipTechnology.com 2020 (link / cached copy