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Comment by vkou

> The point that many people make: "* Upto 50% of pollution a car will cause is done during production of the car ie before even a kilometre has been driven. Replacing lots of good working cars from the street is not environment friendly."

You're completely wrong. This may be the case for a weekend vehicle that is sent to the junkyard before you put 30,000 km on it, but is 100% wrong for a taxi, that drives >300,000 miles over its life.

It takes 6-12 tonnes of CO2e to produce a car. [1]

Taking 35 mpg, every 10,000 miles driven is 285 gallons of gasoline. 1 gallon of gasoline produces ~8.9 kg of CO2e. That's 2.5 tonnes per 10,000 miles driven.

After 50,000 miles driven, the typical car breaks even with its manufacturing emissions.

The average taxi (in NYC) puts on 70,000 miles. Per YEAR. [2] In a single year, it's fuel emissions exceed manufacturing emissions.

If you want good return-on-investment, taxis are the first vehicles we should be regulating. They drive a lot more than the average car.

[1] https://www.theguardian.com/environment/green-living-blog/20...

[2] https://www.quora.com/How-many-miles-does-a-NYC-taxi-do-in-i...

parent vkou 7 years ago

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