OT: Gas mileage vs. emissions, tree hugger alert |
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OT: Gas mileage vs. emissions, tree hugger alert |
yeahmag |
Nov 17 2008, 12:24 PM
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#1
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Advanced Member Group: Members Posts: 2,422 Joined: 18-April 05 From: Pasadena, CA Member No.: 3,946 Region Association: Southern California |
OK. I admit it... I dig green technology. Well I dig all technology, but I digress...
I'm curious how emissions vs. gas mileage balance out. For example: My '88 FJ62 gets about 12 MPG on a good day, but has F.I., Catalytic Converters, and all that good stuff. My 914 gets over 2X that, but has no emissions equipment at all. I'm curious at where the tipping point is: 2 stroke scooter vs. compact car 4 stroke scooter vs. compact car etc... I'm even considering trying to build a junkyard/STF electric motorcycle. I'm poor, but have plenty of time and creativity! Comments? -Aaron |
Dave_Darling |
Nov 18 2008, 10:12 PM
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#2
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914 Idiot Group: Members Posts: 14,991 Joined: 9-January 03 From: Silicon Valley / Kailua-Kona Member No.: 121 Region Association: Northern California |
What the moped puts out is dirtier per volume. But it's putting out a whole lot less volume.
Also, the car getting better MPG is cycling less carbon from the ground into the atmosphere--but the one with modern emissions controls is putting less harmful forms of carbon out. There'll be lots more unburned HCs in a 914 exhaust than an Escallade, for example, but lots more CO2 in the modern vehicle's exhaust. --DD |
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