Fuel economy in aircraft - Wikipedia
Planes, trains, cars, buses - What's best for the earth?
Feeling Flygskam? It's a Flying Shame.
Climate change: Should you fly, drive or take the train? - BBC News
Passenger Mile Yield Term Glossary - CSIMarket
Here's how much Royal Caribbean makes on each passenger | Royal Caribbean Blog
How much fuel per passenger an aircraft is consuming?
Passenger Cars per 1000 people - Vivid Maps
WES commuter rail is costing TriMet $108 per passenger | kgw.com
Specific CO2 emissions per passenger-km and per mode of transport in Europe, 1995-2011 — European Environment Agency
Flying first class on a single domestic round trip can contribute more greenhouse gas emissions than a year of driving - Green Car Congress
Average cost per passenger of European LCCs | Statista
The total cost per passenger-mile was calculated by adding the capital,... | Download Scientific Diagram
One Per Person (Short 2016) - IMDb
Here's the Average Per-Passenger Profit that Airlines Make | Money
Aviation Taxes in Europe | Taxing Flights in Europe | Tax Foundation
Understanding Intercity Passenger, Commuter & Freight Railroads - Association of American Railroads
How Much Will It Cost to Fly on eVTOL Air Taxis? - FLYING Magazine
How Low-Carbon Can You Go: The Green Travel Ranking - Sightline Institute
Specific CO2 emissions per passenger-km and per mode of transport in Europe — European Environment Agency
How Much of Your $355 Ticket Is Profit for Airlines? - WSJ
Which Carnival Cruise Ships Have the Most Space Ratio Per Passenger?
IATA - Passenger CO2 Standard Methodology
U.S. Energy Information Administration - EIA - Independent Statistics and Analysis
Emissions per passenger-km and per tonne-km — European Environment Agency
