Do steam engines pollute more than diesel?
Do steam engines pollute more than diesel? Coal fired steam locomotives do produce a lot of CO2 emissions but also aerosols which has a cooling effect (global dimming), which cancels out some of the warming produced by CO2. Diesel locos probably produce less CO2 but also less aerosols that would cancel out the CO2.
What are 2 disadvantages of the steam engine?
- 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.