Electric vs. diesel vs. natural gas
As I was traveling between Tuba City, AZ, and Kayenta, the road follows a single track for about 30 km. Although I saw no trains, I found it unusual that there were overhead wires for electric power. So I trotted out an Arizona atlas. The train line runs about 125km from the Navajo Power plant near Page, AZ, to a loading terminal near the Black Mesa Coal Mine. But why is it electrified?
What's the advantage of running a train with electric power vs. diesel (or coal or even natural gas)? Do the benefits outweigh the cost of installing all that wiring?
So that got me to thinking about different forms of power. Are electric trains more economical if the wiring is already in place? Forgetting the danger factor, which is cheaper to install: overhead wires or 3rd rail?
And another thought: Do any trains run by natural gas? I would think that a engine could easily tow a tank car full of compressed (or liquid) natural gas. Natural gas is relatively cheap compared to diesel fuel today, I'm surprised no one has tried it (or have they?).
As I was traveling between Tuba City, AZ, and Kayenta, the road follows a single track for about 30 km. Although I saw no trains, I found it unusual that there were overhead wires for electric power. So I trotted out an Arizona atlas. The train line runs about 125km from the Navajo Power plant near Page, AZ, to a loading terminal near the Black Mesa Coal Mine. But why is it electrified?
What's the advantage of running a train with electric power vs. diesel (or coal or even natural gas)? Do the benefits outweigh the cost of installing all that wiring?
So that got me to thinking about different forms of power. Are electric trains more economical if the wiring is already in place? Forgetting the danger factor, which is cheaper to install: overhead wires or 3rd rail?
And another thought: Do any trains run by natural gas? I would think that a engine could easily tow a tank car full of compressed (or liquid) natural gas. Natural gas is relatively cheap compared to diesel fuel today, I'm surprised no one has tried it (or have they?).