A 2018 study commissioned by the Association of American Railroads found that the seven largest railroad operators contributed over 1 percent of total U.S. economic output and created over one million jobs [PDF].
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By transporting goods and materials across the country, freight railroads help businesses produce their goods and services much more efficiently. This increased production leads to more jobs and a stronger economy.
If we take an overall view of the transport sector, 71% of transportation related carbon emissions come from road users, whereas only 1.8% of emissions stem from rail travel. So in absolute terms, trains are responsible for a lot less emissions than cars.
One of the biggest environmental benefits of trains is that they consume far less energy than other types of transport. It takes a huge amount of fuel to get a plane carrying hundreds of people airborne, whereas trains are streamlined, require much less energy to move, and are increasingly able to run on electricity.
Trains. Besides walking and biking, traveling by train remains one of the greenest and most environment-friendly options when getting around. Regardless if electric or diesel-powered, trains emit between 66 and 75 percent fewer carbon emissions when compared to cars and airplanes.
This fuel efficiency ties directly in with the environmental impact you have when transporting goods. Railroads emit less greenhouse gas than vehicles by up to 75 percent for the same load. Plus, with careful planning, railroads can carry more per trip, saving emissions that might otherwise go into the air.
Today's train locomotives are already quite fuel efficient, especially compared to trucks. In fact, trains can haul one ton of goods an average of more than 480 miles on just a single gallon of fuel, making them 3-4 times more fuel efficient than trucks.