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I am working on an article for the school newspaper and I need to research on how the light rail system reduces pollution, besides oviously getting more cars off the road. It would help if someone with expertise on the subject would help.

2007-10-18 07:56:47 · 3 answers · asked by Anonymous in Environment Global Warming

3 answers

Here's a good site for you:
http://www.lightrailnow.org/

There's an article that compares energy per passenger-mile:

Transport Mode BTU/p-m
Urban car 5,760
Motor bus 5,410
LRT 3,473
RRT 2,703
RPR 2,743
Trolleybus 4,004

LRT Light rail transit
RRT Rail rapid transit
RPR Regional passenger rail ("commuter rail")

That shows that Rapid Rail Transit uses %47 as much energy per passenger-mile than an urban car.

Then if you look at the carbon emission energy per passenger mile, the advantage gets even larger:

Urban Transportation Carbon-Emitting Energy Intensity – Major Modes
(BTUs per Passenger-Mile)

Transport Mode BTU/p-m
Urban car 5,760
Motor bus 5,410
LRT 2,431
RRT 1,892
RPR 2,257
Trolleybus 2,803

So in the end, Rapid Rail Transit has just 32.8% the environmental impact of transporting the same number of people by urban car.

About 30% of our electrical power is generated without CO2 emissions, so that helps reduce the impact of electrical power on global warming. Combine this with a much more energy-efficient way to move people, there's a big difference in environmental impact.

***Okay, a light rail is an LRT, not an RRT, so redo those calculations. Sorry!***

2007-10-18 08:18:58 · answer #1 · answered by Eric P 6 · 2 1

If it's like the Washington RTA (Rapid Transit Authority) what it will do is it keeps taxing you till you have no money to drive your car or live in your house and in the end they condem property for projects, then find out the project won't go (Seattle Monorail), then they sell the property for 100 times the purchase price and in the end do nothing and build nothing, my bad, after uncounted billions of dollars they did put in 4 miles of track.

2007-10-18 11:28:07 · answer #2 · answered by groingo 4 · 0 1

Dude, you should break up with that b itch. She's no good. All she wants is to have sex and then break up. DON'T FALL INTO THAT TRAP DUDE! Its no use. And for sure if she wants to tape something, don't do it. She will put it on the internet and everyone will watch. Believe me, ive been there, smacked that, literally.

Believe me, i'm an expert on the subject.

2007-10-18 08:22:42 · answer #3 · answered by Pre 2 3 · 0 3

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