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Fuel Efficient Travel |
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by Dharmendra Kapri | 29-07-2014 17:29
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Professor Michael Sivak, at the University of Michigan Transportation Research Institute draws a surprising conclusion in one of his recent studies that flying is actually better than driving, When the amount of energy used is measured. In fact, everything seems better than driving. A long distance train uses 1,668 BTU per person mile. Planes use 2,691 and cars a staggering 4,218. (BTU, or British Thermal Unit, per person mile is measure of energy used to move a person a mile) The balance has shifted since the 1970s, when the energy per person mile was about twice as much for flying than for driving. Now, cramming more people onto planes makes them more efficient per person. The load in aircraft, for better or worse, has increased, while the load in cars has decreased. So the energy is spread across fewer people in a car. To match the emissions levels of flying, the US car fleet needs either to improve from the current 21.5 mpg on average to at least 33.8 mpg, or carry 2.3 people per trip instead of the current 1.38 people.
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Former E-gen Ambassador
Dharmendra Kapri
Previous : Solid Waste Managment-Lahore P...
7 Comments
Thank your for sharing such a interesting report.
Posted 31-07-2014 03:15
Thanks for sharing!
Posted 30-07-2014 22:50
This is quite interesting to know but unfortunately for intra city travel there are no flight services but yes other public transport like bus etc can be used which will be far more fuel efficient than private car.
Posted 30-07-2014 17:59
Thanks for sharing such report.
Posted 30-07-2014 14:37
Thank you for sharing, Dharmendra :D It's so interesting!
I hope further improvement of fuel efficiency on every transportation!
Posted 30-07-2014 08:58
great
Posted 29-07-2014 23:51
Interesting! Still, I hope we can carpool more, because that also spreads out efficiency per person. Thanks for sharing, Dharmendra :)
Posted 29-07-2014 23:46