How bad are steam trains for the environment?

Steam trains were indeed faster than wagons, and steam ships faster and stronger than sailing ships. But the smoke they sent into the air polluted the air. Then diesel and electric trains came, and they were somewhat cleaner. However, to make the electricity that trains use; large amounts of coal have to be burned.



People Also Ask

Diesel engines are much more efficient than steam engines, but the combustion in the steam engine's firebox can be more carefully controlled and, so, possibly produce less of the types of pollution caused by imperfect combustion.

MORE DETAILS

  • A steam engine is huge and heavy. ...
  • Steam engine has low efficiency.
  • Steam engine does not start at once.
  • Before a steam engine can start, one has to build a coal fire to get steam which takes a long time.


MORE DETAILS

However, as an energy researcher, my decision was motivated by the fact that trains, whether for cargo or passengers, pollute much less than airplanes, sometimes by as much as 73%, and they are more easily electrified than planes.

MORE DETAILS

Greenhouse gas (GHG) emissions are directly related to fuel consumption. According to EPA data, freight railroads account for just 0.5% of total U.S. GHG emissions and just 1.7% of transportation-related GHG emissions. Moving freight by rail instead of truck lowers GHG emissions by up to 75%, on average.

MORE DETAILS

Trains Emit Less CO2 Than Other Transport Methods Recently developed hydrogen-powered trains are the most eco-friendly trains in the world, emitting nothing except steam as a by-product and creating very little noise.

MORE DETAILS

About 150 steam locomotives operate in the U.S. today and they still burn fossil coal. These historic locomotives are often used for tourists hauling a couple million passengers a year.

MORE DETAILS

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.

MORE DETAILS